Home / 21,062.57-29,065.03-11,631.33

Finding the Fourth Proportional to 21,062.57, 29,065.03 and 11,631.33

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Solution

The fourth proportional to 21,062.57, 29,065.03 and 11,631.33 is: 16,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.57 : 29,065.03 = 11,631.33 : x
  2. Step 2: Convert to fraction form
    21,062.57/29,065.03 = 11,631.33/x
  3. Step 3: Cross multiply
    21,062.57x = 29,065.03 × 11,631.33
  4. Step 4: Simplify right side
    21,062.57x = 338,064,926.31
  5. Step 5: Solve for x
    x = 338,064,926.31/21,062.57
  6. Step 6: Final answer
    x = 16,050.51

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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.