Home / 10,201.10-15,301.65-9,715.10

Finding the Fourth Proportional to 10,201.10, 15,301.65 and 9,715.10

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Solution

The fourth proportional to 10,201.10, 15,301.65 and 9,715.10 is: 14,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.10 : 15,301.65 = 9,715.10 : x
  2. Step 2: Convert to fraction form
    10,201.10/15,301.65 = 9,715.10/x
  3. Step 3: Cross multiply
    10,201.10x = 15,301.65 × 9,715.10
  4. Step 4: Simplify right side
    10,201.10x = 148,657,059.92
  5. Step 5: Solve for x
    x = 148,657,059.92/10,201.10
  6. Step 6: Final answer
    x = 14,572.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.