Home / 11,426.31-15,770.13-6,710.55

Finding the Fourth Proportional to 11,426.31, 15,770.13 and 6,710.55

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Solution

The fourth proportional to 11,426.31, 15,770.13 and 6,710.55 is: 9,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.31 : 15,770.13 = 6,710.55 : x
  2. Step 2: Convert to fraction form
    11,426.31/15,770.13 = 6,710.55/x
  3. Step 3: Cross multiply
    11,426.31x = 15,770.13 × 6,710.55
  4. Step 4: Simplify right side
    11,426.31x = 105,826,245.87
  5. Step 5: Solve for x
    x = 105,826,245.87/11,426.31
  6. Step 6: Final answer
    x = 9,261.63

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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.