Home / 8,254.38-12,365.16-6,686.43

Finding the Fourth Proportional to 8,254.38, 12,365.16 and 6,686.43

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Solution

The fourth proportional to 8,254.38, 12,365.16 and 6,686.43 is: 10,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.38 : 12,365.16 = 6,686.43 : x
  2. Step 2: Convert to fraction form
    8,254.38/12,365.16 = 6,686.43/x
  3. Step 3: Cross multiply
    8,254.38x = 12,365.16 × 6,686.43
  4. Step 4: Simplify right side
    8,254.38x = 82,678,776.78
  5. Step 5: Solve for x
    x = 82,678,776.78/8,254.38
  6. Step 6: Final answer
    x = 10,016.35

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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.