Home / 15,068.18-20,794.12-8,353.92

Finding the Fourth Proportional to 15,068.18, 20,794.12 and 8,353.92

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Solution

The fourth proportional to 15,068.18, 20,794.12 and 8,353.92 is: 11,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.18 : 20,794.12 = 8,353.92 : x
  2. Step 2: Convert to fraction form
    15,068.18/20,794.12 = 8,353.92/x
  3. Step 3: Cross multiply
    15,068.18x = 20,794.12 × 8,353.92
  4. Step 4: Simplify right side
    15,068.18x = 173,712,414.95
  5. Step 5: Solve for x
    x = 173,712,414.95/15,068.18
  6. Step 6: Final answer
    x = 11,528.43

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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.