Home / 15,023.45-20,732.13-8,308.93

Finding the Fourth Proportional to 15,023.45, 20,732.13 and 8,308.93

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Solution

The fourth proportional to 15,023.45, 20,732.13 and 8,308.93 is: 11,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.45 : 20,732.13 = 8,308.93 : x
  2. Step 2: Convert to fraction form
    15,023.45/20,732.13 = 8,308.93/x
  3. Step 3: Cross multiply
    15,023.45x = 20,732.13 × 8,308.93
  4. Step 4: Simplify right side
    15,023.45x = 172,261,713.26
  5. Step 5: Solve for x
    x = 172,261,713.26/15,023.45
  6. Step 6: Final answer
    x = 11,466.19

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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.