Home / 21,062.88-29,066.70-11,631.36

Finding the Fourth Proportional to 21,062.88, 29,066.70 and 11,631.36

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Solution

The fourth proportional to 21,062.88, 29,066.70 and 11,631.36 is: 16,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.88 : 29,066.70 = 11,631.36 : x
  2. Step 2: Convert to fraction form
    21,062.88/29,066.70 = 11,631.36/x
  3. Step 3: Cross multiply
    21,062.88x = 29,066.70 × 11,631.36
  4. Step 4: Simplify right side
    21,062.88x = 338,085,251.71
  5. Step 5: Solve for x
    x = 338,085,251.71/21,062.88
  6. Step 6: Final answer
    x = 16,051.24

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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.