Home / 14,573.71-20,112.82-8,909.53

Finding the Fourth Proportional to 14,573.71, 20,112.82 and 8,909.53

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Solution

The fourth proportional to 14,573.71, 20,112.82 and 8,909.53 is: 12,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.71 : 20,112.82 = 8,909.53 : x
  2. Step 2: Convert to fraction form
    14,573.71/20,112.82 = 8,909.53/x
  3. Step 3: Cross multiply
    14,573.71x = 20,112.82 × 8,909.53
  4. Step 4: Simplify right side
    14,573.71x = 179,195,773.17
  5. Step 5: Solve for x
    x = 179,195,773.17/14,573.71
  6. Step 6: Final answer
    x = 12,295.82

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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.