Home / 22,729.52-31,366.02-12,657.74

Finding the Fourth Proportional to 22,729.52, 31,366.02 and 12,657.74

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Solution

The fourth proportional to 22,729.52, 31,366.02 and 12,657.74 is: 17,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.52 : 31,366.02 = 12,657.74 : x
  2. Step 2: Convert to fraction form
    22,729.52/31,366.02 = 12,657.74/x
  3. Step 3: Cross multiply
    22,729.52x = 31,366.02 × 12,657.74
  4. Step 4: Simplify right side
    22,729.52x = 397,022,925.99
  5. Step 5: Solve for x
    x = 397,022,925.99/22,729.52
  6. Step 6: Final answer
    x = 17,467.28

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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.