Home / 15,039.14-22,558.43-5,178.20

Finding the Fourth Proportional to 15,039.14, 22,558.43 and 5,178.20

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Solution

The fourth proportional to 15,039.14, 22,558.43 and 5,178.20 is: 7,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.14 : 22,558.43 = 5,178.20 : x
  2. Step 2: Convert to fraction form
    15,039.14/22,558.43 = 5,178.20/x
  3. Step 3: Cross multiply
    15,039.14x = 22,558.43 × 5,178.20
  4. Step 4: Simplify right side
    15,039.14x = 116,811,962.38
  5. Step 5: Solve for x
    x = 116,811,962.38/15,039.14
  6. Step 6: Final answer
    x = 7,767.20

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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.