Home / 21,062.95-29,066.90-11,631.52

Finding the Fourth Proportional to 21,062.95, 29,066.90 and 11,631.52

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Solution

The fourth proportional to 21,062.95, 29,066.90 and 11,631.52 is: 16,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.95 : 29,066.90 = 11,631.52 : x
  2. Step 2: Convert to fraction form
    21,062.95/29,066.90 = 11,631.52/x
  3. Step 3: Cross multiply
    21,062.95x = 29,066.90 × 11,631.52
  4. Step 4: Simplify right side
    21,062.95x = 338,092,108.79
  5. Step 5: Solve for x
    x = 338,092,108.79/21,062.95
  6. Step 6: Final answer
    x = 16,051.51

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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.