Home / 10,868.46-16,291.47-6,178.38

Finding the Fourth Proportional to 10,868.46, 16,291.47 and 6,178.38

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Solution

The fourth proportional to 10,868.46, 16,291.47 and 6,178.38 is: 9,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.46 : 16,291.47 = 6,178.38 : x
  2. Step 2: Convert to fraction form
    10,868.46/16,291.47 = 6,178.38/x
  3. Step 3: Cross multiply
    10,868.46x = 16,291.47 × 6,178.38
  4. Step 4: Simplify right side
    10,868.46x = 100,654,892.42
  5. Step 5: Solve for x
    x = 100,654,892.42/10,868.46
  6. Step 6: Final answer
    x = 9,261.19

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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.