Home / 10,255.82-15,362.87-7,626.15

Finding the Fourth Proportional to 10,255.82, 15,362.87 and 7,626.15

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Solution

The fourth proportional to 10,255.82, 15,362.87 and 7,626.15 is: 11,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.82 : 15,362.87 = 7,626.15 : x
  2. Step 2: Convert to fraction form
    10,255.82/15,362.87 = 7,626.15/x
  3. Step 3: Cross multiply
    10,255.82x = 15,362.87 × 7,626.15
  4. Step 4: Simplify right side
    10,255.82x = 117,159,512.92
  5. Step 5: Solve for x
    x = 117,159,512.92/10,255.82
  6. Step 6: Final answer
    x = 11,423.72

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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.