Home / 15,053.12-20,774.40-9,086.24

Finding the Fourth Proportional to 15,053.12, 20,774.40 and 9,086.24

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Solution

The fourth proportional to 15,053.12, 20,774.40 and 9,086.24 is: 12,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.12 : 20,774.40 = 9,086.24 : x
  2. Step 2: Convert to fraction form
    15,053.12/20,774.40 = 9,086.24/x
  3. Step 3: Cross multiply
    15,053.12x = 20,774.40 × 9,086.24
  4. Step 4: Simplify right side
    15,053.12x = 188,761,184.26
  5. Step 5: Solve for x
    x = 188,761,184.26/15,053.12
  6. Step 6: Final answer
    x = 12,539.67

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Half scale
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Double scale
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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.