Home / 15,546.50-21,454.19-8,472.92

Finding the Fourth Proportional to 15,546.50, 21,454.19 and 8,472.92

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Solution

The fourth proportional to 15,546.50, 21,454.19 and 8,472.92 is: 11,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.50 : 21,454.19 = 8,472.92 : x
  2. Step 2: Convert to fraction form
    15,546.50/21,454.19 = 8,472.92/x
  3. Step 3: Cross multiply
    15,546.50x = 21,454.19 × 8,472.92
  4. Step 4: Simplify right side
    15,546.50x = 181,779,485.90
  5. Step 5: Solve for x
    x = 181,779,485.90/15,546.50
  6. Step 6: Final answer
    x = 11,692.63

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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.