Home / 10,134.85-13,982.81-6,359.55

Finding the Fourth Proportional to 10,134.85, 13,982.81 and 6,359.55

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Solution

The fourth proportional to 10,134.85, 13,982.81 and 6,359.55 is: 8,774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.85 : 13,982.81 = 6,359.55 : x
  2. Step 2: Convert to fraction form
    10,134.85/13,982.81 = 6,359.55/x
  3. Step 3: Cross multiply
    10,134.85x = 13,982.81 × 6,359.55
  4. Step 4: Simplify right side
    10,134.85x = 88,924,379.34
  5. Step 5: Solve for x
    x = 88,924,379.34/10,134.85
  6. Step 6: Final answer
    x = 8,774.12

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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.