Home / 10,439.25-15,658.86-3,043.55

Finding the Fourth Proportional to 10,439.25, 15,658.86 and 3,043.55

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Solution

The fourth proportional to 10,439.25, 15,658.86 and 3,043.55 is: 4,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.25 : 15,658.86 = 3,043.55 : x
  2. Step 2: Convert to fraction form
    10,439.25/15,658.86 = 3,043.55/x
  3. Step 3: Cross multiply
    10,439.25x = 15,658.86 × 3,043.55
  4. Step 4: Simplify right side
    10,439.25x = 47,658,523.35
  5. Step 5: Solve for x
    x = 47,658,523.35/10,439.25
  6. Step 6: Final answer
    x = 4,565.32

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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.