Home / 10,122.54-13,969.18-6,141

Finding the Fourth Proportional to 10,122.54, 13,969.18 and 6,141

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Solution

The fourth proportional to 10,122.54, 13,969.18 and 6,141 is: 8,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.54 : 13,969.18 = 6,141 : x
  2. Step 2: Convert to fraction form
    10,122.54/13,969.18 = 6,141/x
  3. Step 3: Cross multiply
    10,122.54x = 13,969.18 × 6,141
  4. Step 4: Simplify right side
    10,122.54x = 85,784,734.38
  5. Step 5: Solve for x
    x = 85,784,734.38/10,122.54
  6. Step 6: Final answer
    x = 8,474.63

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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.