Home / 12,363.56-18,541.70-6,517

Finding the Fourth Proportional to 12,363.56, 18,541.70 and 6,517

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Solution

The fourth proportional to 12,363.56, 18,541.70 and 6,517 is: 9,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.56 : 18,541.70 = 6,517 : x
  2. Step 2: Convert to fraction form
    12,363.56/18,541.70 = 6,517/x
  3. Step 3: Cross multiply
    12,363.56x = 18,541.70 × 6,517
  4. Step 4: Simplify right side
    12,363.56x = 120,836,258.90
  5. Step 5: Solve for x
    x = 120,836,258.90/12,363.56
  6. Step 6: Final answer
    x = 9,773.58

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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.