Home / 11,268.05-15,548.18-6,487.07

Finding the Fourth Proportional to 11,268.05, 15,548.18 and 6,487.07

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Solution

The fourth proportional to 11,268.05, 15,548.18 and 6,487.07 is: 8,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.05 : 15,548.18 = 6,487.07 : x
  2. Step 2: Convert to fraction form
    11,268.05/15,548.18 = 6,487.07/x
  3. Step 3: Cross multiply
    11,268.05x = 15,548.18 × 6,487.07
  4. Step 4: Simplify right side
    11,268.05x = 100,862,138.47
  5. Step 5: Solve for x
    x = 100,862,138.47/11,268.05
  6. Step 6: Final answer
    x = 8,951.16

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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.