Home / 14,865.78-20,514.02-8,577.76

Finding the Fourth Proportional to 14,865.78, 20,514.02 and 8,577.76

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Solution

The fourth proportional to 14,865.78, 20,514.02 and 8,577.76 is: 11,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.78 : 20,514.02 = 8,577.76 : x
  2. Step 2: Convert to fraction form
    14,865.78/20,514.02 = 8,577.76/x
  3. Step 3: Cross multiply
    14,865.78x = 20,514.02 × 8,577.76
  4. Step 4: Simplify right side
    14,865.78x = 175,964,340.20
  5. Step 5: Solve for x
    x = 175,964,340.20/14,865.78
  6. Step 6: Final answer
    x = 11,836.87

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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.