Home / 10,273.80-15,401.70-6,976.20

Finding the Fourth Proportional to 10,273.80, 15,401.70 and 6,976.20

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Solution

The fourth proportional to 10,273.80, 15,401.70 and 6,976.20 is: 10,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.80 : 15,401.70 = 6,976.20 : x
  2. Step 2: Convert to fraction form
    10,273.80/15,401.70 = 6,976.20/x
  3. Step 3: Cross multiply
    10,273.80x = 15,401.70 × 6,976.20
  4. Step 4: Simplify right side
    10,273.80x = 107,445,339.54
  5. Step 5: Solve for x
    x = 107,445,339.54/10,273.80
  6. Step 6: Final answer
    x = 10,458.19

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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.