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Finding the Fourth Proportional to 16,490.02, 22,753.02 and 13,340.74

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Solution

The fourth proportional to 16,490.02, 22,753.02 and 13,340.74 is: 18,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.02 : 22,753.02 = 13,340.74 : x
  2. Step 2: Convert to fraction form
    16,490.02/22,753.02 = 13,340.74/x
  3. Step 3: Cross multiply
    16,490.02x = 22,753.02 × 13,340.74
  4. Step 4: Simplify right side
    16,490.02x = 303,542,124.03
  5. Step 5: Solve for x
    x = 303,542,124.03/16,490.02
  6. Step 6: Final answer
    x = 18,407.63

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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.