Home / 10,240.33-15,360.48-3,220.96

Finding the Fourth Proportional to 10,240.33, 15,360.48 and 3,220.96

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Solution

The fourth proportional to 10,240.33, 15,360.48 and 3,220.96 is: 4,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.33 : 15,360.48 = 3,220.96 : x
  2. Step 2: Convert to fraction form
    10,240.33/15,360.48 = 3,220.96/x
  3. Step 3: Cross multiply
    10,240.33x = 15,360.48 × 3,220.96
  4. Step 4: Simplify right side
    10,240.33x = 49,475,538.11
  5. Step 5: Solve for x
    x = 49,475,538.11/10,240.33
  6. Step 6: Final answer
    x = 4,831.44

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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.