Home / 21,062.66-29,065.68-11,631.02

Finding the Fourth Proportional to 21,062.66, 29,065.68 and 11,631.02

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Solution

The fourth proportional to 21,062.66, 29,065.68 and 11,631.02 is: 16,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.66 : 29,065.68 = 11,631.02 : x
  2. Step 2: Convert to fraction form
    21,062.66/29,065.68 = 11,631.02/x
  3. Step 3: Cross multiply
    21,062.66x = 29,065.68 × 11,631.02
  4. Step 4: Simplify right side
    21,062.66x = 338,063,360.07
  5. Step 5: Solve for x
    x = 338,063,360.07/21,062.66
  6. Step 6: Final answer
    x = 16,050.37

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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.