Home / 10,605.90-15,902.79-4,370.22

Finding the Fourth Proportional to 10,605.90, 15,902.79 and 4,370.22

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Solution

The fourth proportional to 10,605.90, 15,902.79 and 4,370.22 is: 6,552.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.90 : 15,902.79 = 4,370.22 : x
  2. Step 2: Convert to fraction form
    10,605.90/15,902.79 = 4,370.22/x
  3. Step 3: Cross multiply
    10,605.90x = 15,902.79 × 4,370.22
  4. Step 4: Simplify right side
    10,605.90x = 69,498,589.55
  5. Step 5: Solve for x
    x = 69,498,589.55/10,605.90
  6. Step 6: Final answer
    x = 6,552.82

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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.