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Finding the Fourth Proportional to 18,592.71, 25,650.54 and 10,630.77

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Solution

The fourth proportional to 18,592.71, 25,650.54 and 10,630.77 is: 14,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.71 : 25,650.54 = 10,630.77 : x
  2. Step 2: Convert to fraction form
    18,592.71/25,650.54 = 10,630.77/x
  3. Step 3: Cross multiply
    18,592.71x = 25,650.54 × 10,630.77
  4. Step 4: Simplify right side
    18,592.71x = 272,684,991.12
  5. Step 5: Solve for x
    x = 272,684,991.12/18,592.71
  6. Step 6: Final answer
    x = 14,666.23

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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.