Home / 11,275.16-15,560.24-6,239.39

Finding the Fourth Proportional to 11,275.16, 15,560.24 and 6,239.39

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Solution

The fourth proportional to 11,275.16, 15,560.24 and 6,239.39 is: 8,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.16 : 15,560.24 = 6,239.39 : x
  2. Step 2: Convert to fraction form
    11,275.16/15,560.24 = 6,239.39/x
  3. Step 3: Cross multiply
    11,275.16x = 15,560.24 × 6,239.39
  4. Step 4: Simplify right side
    11,275.16x = 97,086,296.86
  5. Step 5: Solve for x
    x = 97,086,296.86/11,275.16
  6. Step 6: Final answer
    x = 8,610.64

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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.