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Finding the Fourth Proportional to 16,831.06, 25,246.95 and 9,417.10

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Solution

The fourth proportional to 16,831.06, 25,246.95 and 9,417.10 is: 14,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.06 : 25,246.95 = 9,417.10 : x
  2. Step 2: Convert to fraction form
    16,831.06/25,246.95 = 9,417.10/x
  3. Step 3: Cross multiply
    16,831.06x = 25,246.95 × 9,417.10
  4. Step 4: Simplify right side
    16,831.06x = 237,753,052.85
  5. Step 5: Solve for x
    x = 237,753,052.85/16,831.06
  6. Step 6: Final answer
    x = 14,125.85

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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.