Home / 14,851.86-20,456.20-11,062.88

Finding the Fourth Proportional to 14,851.86, 20,456.20 and 11,062.88

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Solution

The fourth proportional to 14,851.86, 20,456.20 and 11,062.88 is: 15,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.86 : 20,456.20 = 11,062.88 : x
  2. Step 2: Convert to fraction form
    14,851.86/20,456.20 = 11,062.88/x
  3. Step 3: Cross multiply
    14,851.86x = 20,456.20 × 11,062.88
  4. Step 4: Simplify right side
    14,851.86x = 226,304,411.89
  5. Step 5: Solve for x
    x = 226,304,411.89/14,851.86
  6. Step 6: Final answer
    x = 15,237.45

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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.