Home / 11,187.74-16,789.15-4,613.78

Finding the Fourth Proportional to 11,187.74, 16,789.15 and 4,613.78

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Solution

The fourth proportional to 11,187.74, 16,789.15 and 4,613.78 is: 6,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.74 : 16,789.15 = 4,613.78 : x
  2. Step 2: Convert to fraction form
    11,187.74/16,789.15 = 4,613.78/x
  3. Step 3: Cross multiply
    11,187.74x = 16,789.15 × 4,613.78
  4. Step 4: Simplify right side
    11,187.74x = 77,461,444.49
  5. Step 5: Solve for x
    x = 77,461,444.49/11,187.74
  6. Step 6: Final answer
    x = 6,923.78

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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.