Home / 10,231.80-15,323.40-6,295.20

Finding the Fourth Proportional to 10,231.80, 15,323.40 and 6,295.20

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Solution

The fourth proportional to 10,231.80, 15,323.40 and 6,295.20 is: 9,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.80 : 15,323.40 = 6,295.20 : x
  2. Step 2: Convert to fraction form
    10,231.80/15,323.40 = 6,295.20/x
  3. Step 3: Cross multiply
    10,231.80x = 15,323.40 × 6,295.20
  4. Step 4: Simplify right side
    10,231.80x = 96,463,867.68
  5. Step 5: Solve for x
    x = 96,463,867.68/10,231.80
  6. Step 6: Final answer
    x = 9,427.85

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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.