Home / 15,039.38-22,557.63-5,177.30

Finding the Fourth Proportional to 15,039.38, 22,557.63 and 5,177.30

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Solution

The fourth proportional to 15,039.38, 22,557.63 and 5,177.30 is: 7,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.38 : 22,557.63 = 5,177.30 : x
  2. Step 2: Convert to fraction form
    15,039.38/22,557.63 = 5,177.30/x
  3. Step 3: Cross multiply
    15,039.38x = 22,557.63 × 5,177.30
  4. Step 4: Simplify right side
    15,039.38x = 116,787,617.80
  5. Step 5: Solve for x
    x = 116,787,617.80/15,039.38
  6. Step 6: Final answer
    x = 7,765.45

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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.