Home / 13,650.56-20,462.16-8,725.76

Finding the Fourth Proportional to 13,650.56, 20,462.16 and 8,725.76

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Solution

The fourth proportional to 13,650.56, 20,462.16 and 8,725.76 is: 13,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.56 : 20,462.16 = 8,725.76 : x
  2. Step 2: Convert to fraction form
    13,650.56/20,462.16 = 8,725.76/x
  3. Step 3: Cross multiply
    13,650.56x = 20,462.16 × 8,725.76
  4. Step 4: Simplify right side
    13,650.56x = 178,547,897.24
  5. Step 5: Solve for x
    x = 178,547,897.24/13,650.56
  6. Step 6: Final answer
    x = 13,079.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.