Home / 14,167.46-19,550.83-9,691.06

Finding the Fourth Proportional to 14,167.46, 19,550.83 and 9,691.06

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Solution

The fourth proportional to 14,167.46, 19,550.83 and 9,691.06 is: 13,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.46 : 19,550.83 = 9,691.06 : x
  2. Step 2: Convert to fraction form
    14,167.46/19,550.83 = 9,691.06/x
  3. Step 3: Cross multiply
    14,167.46x = 19,550.83 × 9,691.06
  4. Step 4: Simplify right side
    14,167.46x = 189,468,179.45
  5. Step 5: Solve for x
    x = 189,468,179.45/14,167.46
  6. Step 6: Final answer
    x = 13,373.48

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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.