Home / 14,434.75-19,920.27-8,147.17

Finding the Fourth Proportional to 14,434.75, 19,920.27 and 8,147.17

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Solution

The fourth proportional to 14,434.75, 19,920.27 and 8,147.17 is: 11,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.75 : 19,920.27 = 8,147.17 : x
  2. Step 2: Convert to fraction form
    14,434.75/19,920.27 = 8,147.17/x
  3. Step 3: Cross multiply
    14,434.75x = 19,920.27 × 8,147.17
  4. Step 4: Simplify right side
    14,434.75x = 162,293,826.14
  5. Step 5: Solve for x
    x = 162,293,826.14/14,434.75
  6. Step 6: Final answer
    x = 11,243.27

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Double scale
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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.