Home / 10,370.20-15,550.98-3,443.32

Finding the Fourth Proportional to 10,370.20, 15,550.98 and 3,443.32

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Solution

The fourth proportional to 10,370.20, 15,550.98 and 3,443.32 is: 5,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.20 : 15,550.98 = 3,443.32 : x
  2. Step 2: Convert to fraction form
    10,370.20/15,550.98 = 3,443.32/x
  3. Step 3: Cross multiply
    10,370.20x = 15,550.98 × 3,443.32
  4. Step 4: Simplify right side
    10,370.20x = 53,547,000.45
  5. Step 5: Solve for x
    x = 53,547,000.45/10,370.20
  6. Step 6: Final answer
    x = 5,163.55

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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.