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Finding the Fourth Proportional to 17,683.32, 26,524.98 and 9,887.88

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Solution

The fourth proportional to 17,683.32, 26,524.98 and 9,887.88 is: 14,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,683.32 : 26,524.98 = 9,887.88 : x
  2. Step 2: Convert to fraction form
    17,683.32/26,524.98 = 9,887.88/x
  3. Step 3: Cross multiply
    17,683.32x = 26,524.98 × 9,887.88
  4. Step 4: Simplify right side
    17,683.32x = 262,275,819.24
  5. Step 5: Solve for x
    x = 262,275,819.24/17,683.32
  6. Step 6: Final answer
    x = 14,831.82

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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.