Home / 15,553.88-23,337.72-8,156.60

Finding the Fourth Proportional to 15,553.88, 23,337.72 and 8,156.60

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Solution

The fourth proportional to 15,553.88, 23,337.72 and 8,156.60 is: 12,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.88 : 23,337.72 = 8,156.60 : x
  2. Step 2: Convert to fraction form
    15,553.88/23,337.72 = 8,156.60/x
  3. Step 3: Cross multiply
    15,553.88x = 23,337.72 × 8,156.60
  4. Step 4: Simplify right side
    15,553.88x = 190,356,446.95
  5. Step 5: Solve for x
    x = 190,356,446.95/15,553.88
  6. Step 6: Final answer
    x = 12,238.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.