Home / 15,747.42-23,607-14,377.80

Finding the Fourth Proportional to 15,747.42, 23,607 and 14,377.80

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Solution

The fourth proportional to 15,747.42, 23,607 and 14,377.80 is: 21,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.42 : 23,607 = 14,377.80 : x
  2. Step 2: Convert to fraction form
    15,747.42/23,607 = 14,377.80/x
  3. Step 3: Cross multiply
    15,747.42x = 23,607 × 14,377.80
  4. Step 4: Simplify right side
    15,747.42x = 339,416,724.60
  5. Step 5: Solve for x
    x = 339,416,724.60/15,747.42
  6. Step 6: Final answer
    x = 21,553.80

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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.