Home / 10,454.31-15,685.11-4,611.42

Finding the Fourth Proportional to 10,454.31, 15,685.11 and 4,611.42

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Solution

The fourth proportional to 10,454.31, 15,685.11 and 4,611.42 is: 6,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.31 : 15,685.11 = 4,611.42 : x
  2. Step 2: Convert to fraction form
    10,454.31/15,685.11 = 4,611.42/x
  3. Step 3: Cross multiply
    10,454.31x = 15,685.11 × 4,611.42
  4. Step 4: Simplify right side
    10,454.31x = 72,330,629.96
  5. Step 5: Solve for x
    x = 72,330,629.96/10,454.31
  6. Step 6: Final answer
    x = 6,918.74

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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.