Home / 11,462.28-15,813.48-8,485.24

Finding the Fourth Proportional to 11,462.28, 15,813.48 and 8,485.24

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Solution

The fourth proportional to 11,462.28, 15,813.48 and 8,485.24 is: 11,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,462.28 : 15,813.48 = 8,485.24 : x
  2. Step 2: Convert to fraction form
    11,462.28/15,813.48 = 8,485.24/x
  3. Step 3: Cross multiply
    11,462.28x = 15,813.48 × 8,485.24
  4. Step 4: Simplify right side
    11,462.28x = 134,181,173.04
  5. Step 5: Solve for x
    x = 134,181,173.04/11,462.28
  6. Step 6: Final answer
    x = 11,706.32

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Half scale
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Double scale
Find fourth proportional to 11,463.28, 15,814.86 and 8,486.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.