Home / 9,312.48-12,850.86-5,330.76

Finding the Fourth Proportional to 9,312.48, 12,850.86 and 5,330.76

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Solution

The fourth proportional to 9,312.48, 12,850.86 and 5,330.76 is: 7,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.48 : 12,850.86 = 5,330.76 : x
  2. Step 2: Convert to fraction form
    9,312.48/12,850.86 = 5,330.76/x
  3. Step 3: Cross multiply
    9,312.48x = 12,850.86 × 5,330.76
  4. Step 4: Simplify right side
    9,312.48x = 68,504,850.45
  5. Step 5: Solve for x
    x = 68,504,850.45/9,312.48
  6. Step 6: Final answer
    x = 7,356.24

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Half scale
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Double scale
Find fourth proportional to 9,313.48, 12,852.24 and 5,331.76
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.