Home / 15,064.38-20,788.80-8,349.93

Finding the Fourth Proportional to 15,064.38, 20,788.80 and 8,349.93

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Solution

The fourth proportional to 15,064.38, 20,788.80 and 8,349.93 is: 11,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064.38 : 20,788.80 = 8,349.93 : x
  2. Step 2: Convert to fraction form
    15,064.38/20,788.80 = 8,349.93/x
  3. Step 3: Cross multiply
    15,064.38x = 20,788.80 × 8,349.93
  4. Step 4: Simplify right side
    15,064.38x = 173,585,024.78
  5. Step 5: Solve for x
    x = 173,585,024.78/15,064.38
  6. Step 6: Final answer
    x = 11,522.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.