Home / 15,024.32-20,733.92-8,310.40

Finding the Fourth Proportional to 15,024.32, 20,733.92 and 8,310.40

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Solution

The fourth proportional to 15,024.32, 20,733.92 and 8,310.40 is: 11,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.32 : 20,733.92 = 8,310.40 : x
  2. Step 2: Convert to fraction form
    15,024.32/20,733.92 = 8,310.40/x
  3. Step 3: Cross multiply
    15,024.32x = 20,733.92 × 8,310.40
  4. Step 4: Simplify right side
    15,024.32x = 172,307,168.77
  5. Step 5: Solve for x
    x = 172,307,168.77/15,024.32
  6. Step 6: Final answer
    x = 11,468.55

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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.