Home / 10,362.40-15,543.32-2,571.12

Finding the Fourth Proportional to 10,362.40, 15,543.32 and 2,571.12

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Solution

The fourth proportional to 10,362.40, 15,543.32 and 2,571.12 is: 3,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.40 : 15,543.32 = 2,571.12 : x
  2. Step 2: Convert to fraction form
    10,362.40/15,543.32 = 2,571.12/x
  3. Step 3: Cross multiply
    10,362.40x = 15,543.32 × 2,571.12
  4. Step 4: Simplify right side
    10,362.40x = 39,963,740.92
  5. Step 5: Solve for x
    x = 39,963,740.92/10,362.40
  6. Step 6: Final answer
    x = 3,856.61

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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.