Home / 21,062.08-29,065.53-11,630.71

Finding the Fourth Proportional to 21,062.08, 29,065.53 and 11,630.71

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Solution

The fourth proportional to 21,062.08, 29,065.53 and 11,630.71 is: 16,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.08 : 29,065.53 = 11,630.71 : x
  2. Step 2: Convert to fraction form
    21,062.08/29,065.53 = 11,630.71/x
  3. Step 3: Cross multiply
    21,062.08x = 29,065.53 × 11,630.71
  4. Step 4: Simplify right side
    21,062.08x = 338,052,750.43
  5. Step 5: Solve for x
    x = 338,052,750.43/21,062.08
  6. Step 6: Final answer
    x = 16,050.30

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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.