Home / 10,158.81-15,237.24-3,136.95

Finding the Fourth Proportional to 10,158.81, 15,237.24 and 3,136.95

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Solution

The fourth proportional to 10,158.81, 15,237.24 and 3,136.95 is: 4,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.81 : 15,237.24 = 3,136.95 : x
  2. Step 2: Convert to fraction form
    10,158.81/15,237.24 = 3,136.95/x
  3. Step 3: Cross multiply
    10,158.81x = 15,237.24 × 3,136.95
  4. Step 4: Simplify right side
    10,158.81x = 47,798,460.02
  5. Step 5: Solve for x
    x = 47,798,460.02/10,158.81
  6. Step 6: Final answer
    x = 4,705.12

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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.