Home / 13,492.32-20,251.12-8,308.32

Finding the Fourth Proportional to 13,492.32, 20,251.12 and 8,308.32

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Solution

The fourth proportional to 13,492.32, 20,251.12 and 8,308.32 is: 12,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.32 : 20,251.12 = 8,308.32 : x
  2. Step 2: Convert to fraction form
    13,492.32/20,251.12 = 8,308.32/x
  3. Step 3: Cross multiply
    13,492.32x = 20,251.12 × 8,308.32
  4. Step 4: Simplify right side
    13,492.32x = 168,252,785.32
  5. Step 5: Solve for x
    x = 168,252,785.32/13,492.32
  6. Step 6: Final answer
    x = 12,470.26

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1.5x scale

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.