Home / 10,089.98-15,136.38-3,515.20

Finding the Fourth Proportional to 10,089.98, 15,136.38 and 3,515.20

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Solution

The fourth proportional to 10,089.98, 15,136.38 and 3,515.20 is: 5,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.98 : 15,136.38 = 3,515.20 : x
  2. Step 2: Convert to fraction form
    10,089.98/15,136.38 = 3,515.20/x
  3. Step 3: Cross multiply
    10,089.98x = 15,136.38 × 3,515.20
  4. Step 4: Simplify right side
    10,089.98x = 53,207,402.98
  5. Step 5: Solve for x
    x = 53,207,402.98/10,089.98
  6. Step 6: Final answer
    x = 5,273.29

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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.