Home / 35,136.20-52,710.78-11,126.56

Finding the Fourth Proportional to 35,136.20, 52,710.78 and 11,126.56

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Solution

The fourth proportional to 35,136.20, 52,710.78 and 11,126.56 is: 16,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,136.20 : 52,710.78 = 11,126.56 : x
  2. Step 2: Convert to fraction form
    35,136.20/52,710.78 = 11,126.56/x
  3. Step 3: Cross multiply
    35,136.20x = 52,710.78 × 11,126.56
  4. Step 4: Simplify right side
    35,136.20x = 586,489,656.32
  5. Step 5: Solve for x
    x = 586,489,656.32/35,136.20
  6. Step 6: Final answer
    x = 16,691.89

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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.