Home / 11,265.68-16,886.80-4,240.87

Finding the Fourth Proportional to 11,265.68, 16,886.80 and 4,240.87

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Solution

The fourth proportional to 11,265.68, 16,886.80 and 4,240.87 is: 6,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.68 : 16,886.80 = 4,240.87 : x
  2. Step 2: Convert to fraction form
    11,265.68/16,886.80 = 4,240.87/x
  3. Step 3: Cross multiply
    11,265.68x = 16,886.80 × 4,240.87
  4. Step 4: Simplify right side
    11,265.68x = 71,614,723.52
  5. Step 5: Solve for x
    x = 71,614,723.52/11,265.68
  6. Step 6: Final answer
    x = 6,356.89

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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.