Home / 13,585.32-20,359.08-6,171.66

Finding the Fourth Proportional to 13,585.32, 20,359.08 and 6,171.66

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Solution

The fourth proportional to 13,585.32, 20,359.08 and 6,171.66 is: 9,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.32 : 20,359.08 = 6,171.66 : x
  2. Step 2: Convert to fraction form
    13,585.32/20,359.08 = 6,171.66/x
  3. Step 3: Cross multiply
    13,585.32x = 20,359.08 × 6,171.66
  4. Step 4: Simplify right side
    13,585.32x = 125,649,319.67
  5. Step 5: Solve for x
    x = 125,649,319.67/13,585.32
  6. Step 6: Final answer
    x = 9,248.90

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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.