Home / 10,875.52-14,999.68-9,617.92

Finding the Fourth Proportional to 10,875.52, 14,999.68 and 9,617.92

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Solution

The fourth proportional to 10,875.52, 14,999.68 and 9,617.92 is: 13,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.52 : 14,999.68 = 9,617.92 : x
  2. Step 2: Convert to fraction form
    10,875.52/14,999.68 = 9,617.92/x
  3. Step 3: Cross multiply
    10,875.52x = 14,999.68 × 9,617.92
  4. Step 4: Simplify right side
    10,875.52x = 144,265,722.27
  5. Step 5: Solve for x
    x = 144,265,722.27/10,875.52
  6. Step 6: Final answer
    x = 13,265.18

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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.