Home / 12,315.56-18,484.86-6,082.61

Finding the Fourth Proportional to 12,315.56, 18,484.86 and 6,082.61

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Solution

The fourth proportional to 12,315.56, 18,484.86 and 6,082.61 is: 9,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315.56 : 18,484.86 = 6,082.61 : x
  2. Step 2: Convert to fraction form
    12,315.56/18,484.86 = 6,082.61/x
  3. Step 3: Cross multiply
    12,315.56x = 18,484.86 × 6,082.61
  4. Step 4: Simplify right side
    12,315.56x = 112,436,194.28
  5. Step 5: Solve for x
    x = 112,436,194.28/12,315.56
  6. Step 6: Final answer
    x = 9,129.60

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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.