Home / 10,961.94-15,127.54-6,246.56

Finding the Fourth Proportional to 10,961.94, 15,127.54 and 6,246.56

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Solution

The fourth proportional to 10,961.94, 15,127.54 and 6,246.56 is: 8,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.94 : 15,127.54 = 6,246.56 : x
  2. Step 2: Convert to fraction form
    10,961.94/15,127.54 = 6,246.56/x
  3. Step 3: Cross multiply
    10,961.94x = 15,127.54 × 6,246.56
  4. Step 4: Simplify right side
    10,961.94x = 94,495,086.26
  5. Step 5: Solve for x
    x = 94,495,086.26/10,961.94
  6. Step 6: Final answer
    x = 8,620.29

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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.