Home / 21,304.86-29,401.02-11,873.46

Finding the Fourth Proportional to 21,304.86, 29,401.02 and 11,873.46

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Solution

The fourth proportional to 21,304.86, 29,401.02 and 11,873.46 is: 16,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.86 : 29,401.02 = 11,873.46 : x
  2. Step 2: Convert to fraction form
    21,304.86/29,401.02 = 11,873.46/x
  3. Step 3: Cross multiply
    21,304.86x = 29,401.02 × 11,873.46
  4. Step 4: Simplify right side
    21,304.86x = 349,091,834.93
  5. Step 5: Solve for x
    x = 349,091,834.93/21,304.86
  6. Step 6: Final answer
    x = 16,385.55

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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.