Home / 10,136.47-15,204.25-3,116.20

Finding the Fourth Proportional to 10,136.47, 15,204.25 and 3,116.20

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Solution

The fourth proportional to 10,136.47, 15,204.25 and 3,116.20 is: 4,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.47 : 15,204.25 = 3,116.20 : x
  2. Step 2: Convert to fraction form
    10,136.47/15,204.25 = 3,116.20/x
  3. Step 3: Cross multiply
    10,136.47x = 15,204.25 × 3,116.20
  4. Step 4: Simplify right side
    10,136.47x = 47,379,483.85
  5. Step 5: Solve for x
    x = 47,379,483.85/10,136.47
  6. Step 6: Final answer
    x = 4,674.16

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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.