Home / 15,348.97-22,911.40-13,171.69

Finding the Fourth Proportional to 15,348.97, 22,911.40 and 13,171.69

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Solution

The fourth proportional to 15,348.97, 22,911.40 and 13,171.69 is: 19,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348.97 : 22,911.40 = 13,171.69 : x
  2. Step 2: Convert to fraction form
    15,348.97/22,911.40 = 13,171.69/x
  3. Step 3: Cross multiply
    15,348.97x = 22,911.40 × 13,171.69
  4. Step 4: Simplify right side
    15,348.97x = 301,781,858.27
  5. Step 5: Solve for x
    x = 301,781,858.27/15,348.97
  6. Step 6: Final answer
    x = 19,661.38

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.