Home / 15,850.47-21,873.61-9,136.04

Finding the Fourth Proportional to 15,850.47, 21,873.61 and 9,136.04

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Solution

The fourth proportional to 15,850.47, 21,873.61 and 9,136.04 is: 12,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.47 : 21,873.61 = 9,136.04 : x
  2. Step 2: Convert to fraction form
    15,850.47/21,873.61 = 9,136.04/x
  3. Step 3: Cross multiply
    15,850.47x = 21,873.61 × 9,136.04
  4. Step 4: Simplify right side
    15,850.47x = 199,838,207.75
  5. Step 5: Solve for x
    x = 199,838,207.75/15,850.47
  6. Step 6: Final answer
    x = 12,607.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.