Home / 18,534.50-25,577.61-11,910.50

Finding the Fourth Proportional to 18,534.50, 25,577.61 and 11,910.50

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Solution

The fourth proportional to 18,534.50, 25,577.61 and 11,910.50 is: 16,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.50 : 25,577.61 = 11,910.50 : x
  2. Step 2: Convert to fraction form
    18,534.50/25,577.61 = 11,910.50/x
  3. Step 3: Cross multiply
    18,534.50x = 25,577.61 × 11,910.50
  4. Step 4: Simplify right side
    18,534.50x = 304,642,123.91
  5. Step 5: Solve for x
    x = 304,642,123.91/18,534.50
  6. Step 6: Final answer
    x = 16,436.49

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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.