Home / 14,948.91-20,615.45-11,180.79

Finding the Fourth Proportional to 14,948.91, 20,615.45 and 11,180.79

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Solution

The fourth proportional to 14,948.91, 20,615.45 and 11,180.79 is: 15,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.91 : 20,615.45 = 11,180.79 : x
  2. Step 2: Convert to fraction form
    14,948.91/20,615.45 = 11,180.79/x
  3. Step 3: Cross multiply
    14,948.91x = 20,615.45 × 11,180.79
  4. Step 4: Simplify right side
    14,948.91x = 230,496,961.30
  5. Step 5: Solve for x
    x = 230,496,961.30/14,948.91
  6. Step 6: Final answer
    x = 15,418.98

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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.