Home / 11,062.40-15,268.20-6,349.76

Finding the Fourth Proportional to 11,062.40, 15,268.20 and 6,349.76

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Solution

The fourth proportional to 11,062.40, 15,268.20 and 6,349.76 is: 8,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.40 : 15,268.20 = 6,349.76 : x
  2. Step 2: Convert to fraction form
    11,062.40/15,268.20 = 6,349.76/x
  3. Step 3: Cross multiply
    11,062.40x = 15,268.20 × 6,349.76
  4. Step 4: Simplify right side
    11,062.40x = 96,949,405.63
  5. Step 5: Solve for x
    x = 96,949,405.63/11,062.40
  6. Step 6: Final answer
    x = 8,763.87

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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.