Home / 10,930.21-15,082.30-6,214.59

Finding the Fourth Proportional to 10,930.21, 15,082.30 and 6,214.59

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Solution

The fourth proportional to 10,930.21, 15,082.30 and 6,214.59 is: 8,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.21 : 15,082.30 = 6,214.59 : x
  2. Step 2: Convert to fraction form
    10,930.21/15,082.30 = 6,214.59/x
  3. Step 3: Cross multiply
    10,930.21x = 15,082.30 × 6,214.59
  4. Step 4: Simplify right side
    10,930.21x = 93,730,318.53
  5. Step 5: Solve for x
    x = 93,730,318.53/10,930.21
  6. Step 6: Final answer
    x = 8,575.35

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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.