Home / 10,345.80-15,522.30-4,504.20

Finding the Fourth Proportional to 10,345.80, 15,522.30 and 4,504.20

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Solution

The fourth proportional to 10,345.80, 15,522.30 and 4,504.20 is: 6,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.80 : 15,522.30 = 4,504.20 : x
  2. Step 2: Convert to fraction form
    10,345.80/15,522.30 = 4,504.20/x
  3. Step 3: Cross multiply
    10,345.80x = 15,522.30 × 4,504.20
  4. Step 4: Simplify right side
    10,345.80x = 69,915,543.66
  5. Step 5: Solve for x
    x = 69,915,543.66/10,345.80
  6. Step 6: Final answer
    x = 6,757.87

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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.