Home / 10,422.60-15,624.42-3,844.20

Finding the Fourth Proportional to 10,422.60, 15,624.42 and 3,844.20

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Solution

The fourth proportional to 10,422.60, 15,624.42 and 3,844.20 is: 5,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.60 : 15,624.42 = 3,844.20 : x
  2. Step 2: Convert to fraction form
    10,422.60/15,624.42 = 3,844.20/x
  3. Step 3: Cross multiply
    10,422.60x = 15,624.42 × 3,844.20
  4. Step 4: Simplify right side
    10,422.60x = 60,063,395.36
  5. Step 5: Solve for x
    x = 60,063,395.36/10,422.60
  6. Step 6: Final answer
    x = 5,762.80

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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.