Home / 10,281.75-15,422.67-4,125.75

Finding the Fourth Proportional to 10,281.75, 15,422.67 and 4,125.75

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Solution

The fourth proportional to 10,281.75, 15,422.67 and 4,125.75 is: 6,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.75 : 15,422.67 = 4,125.75 : x
  2. Step 2: Convert to fraction form
    10,281.75/15,422.67 = 4,125.75/x
  3. Step 3: Cross multiply
    10,281.75x = 15,422.67 × 4,125.75
  4. Step 4: Simplify right side
    10,281.75x = 63,630,080.75
  5. Step 5: Solve for x
    x = 63,630,080.75/10,281.75
  6. Step 6: Final answer
    x = 6,188.64

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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.