Home / 21,062.47-29,065.44-11,630.83

Finding the Fourth Proportional to 21,062.47, 29,065.44 and 11,630.83

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Solution

The fourth proportional to 21,062.47, 29,065.44 and 11,630.83 is: 16,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.47 : 29,065.44 = 11,630.83 : x
  2. Step 2: Convert to fraction form
    21,062.47/29,065.44 = 11,630.83/x
  3. Step 3: Cross multiply
    21,062.47x = 29,065.44 × 11,630.83
  4. Step 4: Simplify right side
    21,062.47x = 338,055,191.52
  5. Step 5: Solve for x
    x = 338,055,191.52/21,062.47
  6. Step 6: Final answer
    x = 16,050.12

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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.