Home / 10,050.36-15,084.88-5,123.70

Finding the Fourth Proportional to 10,050.36, 15,084.88 and 5,123.70

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Solution

The fourth proportional to 10,050.36, 15,084.88 and 5,123.70 is: 7,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050.36 : 15,084.88 = 5,123.70 : x
  2. Step 2: Convert to fraction form
    10,050.36/15,084.88 = 5,123.70/x
  3. Step 3: Cross multiply
    10,050.36x = 15,084.88 × 5,123.70
  4. Step 4: Simplify right side
    10,050.36x = 77,290,399.66
  5. Step 5: Solve for x
    x = 77,290,399.66/10,050.36
  6. Step 6: Final answer
    x = 7,690.31

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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.