Home / 21,425.67-29,564.65-11,994.23

Finding the Fourth Proportional to 21,425.67, 29,564.65 and 11,994.23

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Solution

The fourth proportional to 21,425.67, 29,564.65 and 11,994.23 is: 16,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.67 : 29,564.65 = 11,994.23 : x
  2. Step 2: Convert to fraction form
    21,425.67/29,564.65 = 11,994.23/x
  3. Step 3: Cross multiply
    21,425.67x = 29,564.65 × 11,994.23
  4. Step 4: Simplify right side
    21,425.67x = 354,605,211.97
  5. Step 5: Solve for x
    x = 354,605,211.97/21,425.67
  6. Step 6: Final answer
    x = 16,550.48

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.