Home / 16,931.68-25,389.40-9,718.12

Finding the Fourth Proportional to 16,931.68, 25,389.40 and 9,718.12

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Solution

The fourth proportional to 16,931.68, 25,389.40 and 9,718.12 is: 14,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.68 : 25,389.40 = 9,718.12 : x
  2. Step 2: Convert to fraction form
    16,931.68/25,389.40 = 9,718.12/x
  3. Step 3: Cross multiply
    16,931.68x = 25,389.40 × 9,718.12
  4. Step 4: Simplify right side
    16,931.68x = 246,737,235.93
  5. Step 5: Solve for x
    x = 246,737,235.93/16,931.68
  6. Step 6: Final answer
    x = 14,572.52

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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.