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Finding the Fourth Proportional to 17,831.53, 26,750.33 and 8,951.10

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Solution

The fourth proportional to 17,831.53, 26,750.33 and 8,951.10 is: 13,428.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.53 : 26,750.33 = 8,951.10 : x
  2. Step 2: Convert to fraction form
    17,831.53/26,750.33 = 8,951.10/x
  3. Step 3: Cross multiply
    17,831.53x = 26,750.33 × 8,951.10
  4. Step 4: Simplify right side
    17,831.53x = 239,444,878.86
  5. Step 5: Solve for x
    x = 239,444,878.86/17,831.53
  6. Step 6: Final answer
    x = 13,428.17

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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.