Home / 10,146.76-15,216.30-4,306.12

Finding the Fourth Proportional to 10,146.76, 15,216.30 and 4,306.12

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Solution

The fourth proportional to 10,146.76, 15,216.30 and 4,306.12 is: 6,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.76 : 15,216.30 = 4,306.12 : x
  2. Step 2: Convert to fraction form
    10,146.76/15,216.30 = 4,306.12/x
  3. Step 3: Cross multiply
    10,146.76x = 15,216.30 × 4,306.12
  4. Step 4: Simplify right side
    10,146.76x = 65,523,213.76
  5. Step 5: Solve for x
    x = 65,523,213.76/10,146.76
  6. Step 6: Final answer
    x = 6,457.55

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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.