Home / 14,865.28-20,514.30-8,897.20

Finding the Fourth Proportional to 14,865.28, 20,514.30 and 8,897.20

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Solution

The fourth proportional to 14,865.28, 20,514.30 and 8,897.20 is: 12,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.28 : 20,514.30 = 8,897.20 : x
  2. Step 2: Convert to fraction form
    14,865.28/20,514.30 = 8,897.20/x
  3. Step 3: Cross multiply
    14,865.28x = 20,514.30 × 8,897.20
  4. Step 4: Simplify right side
    14,865.28x = 182,519,829.96
  5. Step 5: Solve for x
    x = 182,519,829.96/14,865.28
  6. Step 6: Final answer
    x = 12,278.26

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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.