Home / 10,454.23-15,676.75-4,909.15

Finding the Fourth Proportional to 10,454.23, 15,676.75 and 4,909.15

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Solution

The fourth proportional to 10,454.23, 15,676.75 and 4,909.15 is: 7,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.23 : 15,676.75 = 4,909.15 : x
  2. Step 2: Convert to fraction form
    10,454.23/15,676.75 = 4,909.15/x
  3. Step 3: Cross multiply
    10,454.23x = 15,676.75 × 4,909.15
  4. Step 4: Simplify right side
    10,454.23x = 76,959,517.26
  5. Step 5: Solve for x
    x = 76,959,517.26/10,454.23
  6. Step 6: Final answer
    x = 7,361.57

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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.