Home / 21,393.96-29,523.45-11,834.25

Finding the Fourth Proportional to 21,393.96, 29,523.45 and 11,834.25

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Solution

The fourth proportional to 21,393.96, 29,523.45 and 11,834.25 is: 16,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.96 : 29,523.45 = 11,834.25 : x
  2. Step 2: Convert to fraction form
    21,393.96/29,523.45 = 11,834.25/x
  3. Step 3: Cross multiply
    21,393.96x = 29,523.45 × 11,834.25
  4. Step 4: Simplify right side
    21,393.96x = 349,387,888.16
  5. Step 5: Solve for x
    x = 349,387,888.16/21,393.96
  6. Step 6: Final answer
    x = 16,331.15

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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.