Home / 13,659.32-20,466.42-6,247.45

Finding the Fourth Proportional to 13,659.32, 20,466.42 and 6,247.45

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Solution

The fourth proportional to 13,659.32, 20,466.42 and 6,247.45 is: 9,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.32 : 20,466.42 = 6,247.45 : x
  2. Step 2: Convert to fraction form
    13,659.32/20,466.42 = 6,247.45/x
  3. Step 3: Cross multiply
    13,659.32x = 20,466.42 × 6,247.45
  4. Step 4: Simplify right side
    13,659.32x = 127,862,857.80
  5. Step 5: Solve for x
    x = 127,862,857.80/13,659.32
  6. Step 6: Final answer
    x = 9,360.85

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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.