Home / 12,550.17-18,854.67-11,840.91

Finding the Fourth Proportional to 12,550.17, 18,854.67 and 11,840.91

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Solution

The fourth proportional to 12,550.17, 18,854.67 and 11,840.91 is: 17,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.17 : 18,854.67 = 11,840.91 : x
  2. Step 2: Convert to fraction form
    12,550.17/18,854.67 = 11,840.91/x
  3. Step 3: Cross multiply
    12,550.17x = 18,854.67 × 11,840.91
  4. Step 4: Simplify right side
    12,550.17x = 223,256,391.35
  5. Step 5: Solve for x
    x = 223,256,391.35/12,550.17
  6. Step 6: Final answer
    x = 17,789.12

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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.