Home / 21,304.08-29,400.12-11,873.22

Finding the Fourth Proportional to 21,304.08, 29,400.12 and 11,873.22

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Solution

The fourth proportional to 21,304.08, 29,400.12 and 11,873.22 is: 16,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.08 : 29,400.12 = 11,873.22 : x
  2. Step 2: Convert to fraction form
    21,304.08/29,400.12 = 11,873.22/x
  3. Step 3: Cross multiply
    21,304.08x = 29,400.12 × 11,873.22
  4. Step 4: Simplify right side
    21,304.08x = 349,074,092.79
  5. Step 5: Solve for x
    x = 349,074,092.79/21,304.08
  6. Step 6: Final answer
    x = 16,385.32

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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.