Home / 10,022-15,036.45-4,479.17

Finding the Fourth Proportional to 10,022, 15,036.45 and 4,479.17

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Solution

The fourth proportional to 10,022, 15,036.45 and 4,479.17 is: 6,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022 : 15,036.45 = 4,479.17 : x
  2. Step 2: Convert to fraction form
    10,022/15,036.45 = 4,479.17/x
  3. Step 3: Cross multiply
    10,022x = 15,036.45 × 4,479.17
  4. Step 4: Simplify right side
    10,022x = 67,350,815.75
  5. Step 5: Solve for x
    x = 67,350,815.75/10,022
  6. Step 6: Final answer
    x = 6,720.30

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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.