Home / 21,301.74-29,394.78-12,350.46

Finding the Fourth Proportional to 21,301.74, 29,394.78 and 12,350.46

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Solution

The fourth proportional to 21,301.74, 29,394.78 and 12,350.46 is: 17,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.74 : 29,394.78 = 12,350.46 : x
  2. Step 2: Convert to fraction form
    21,301.74/29,394.78 = 12,350.46/x
  3. Step 3: Cross multiply
    21,301.74x = 29,394.78 × 12,350.46
  4. Step 4: Simplify right side
    21,301.74x = 363,039,054.60
  5. Step 5: Solve for x
    x = 363,039,054.60/21,301.74
  6. Step 6: Final answer
    x = 17,042.69

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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.