Home / 10,763.20-14,850.30-7,227.28

Finding the Fourth Proportional to 10,763.20, 14,850.30 and 7,227.28

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Solution

The fourth proportional to 10,763.20, 14,850.30 and 7,227.28 is: 9,971.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.20 : 14,850.30 = 7,227.28 : x
  2. Step 2: Convert to fraction form
    10,763.20/14,850.30 = 7,227.28/x
  3. Step 3: Cross multiply
    10,763.20x = 14,850.30 × 7,227.28
  4. Step 4: Simplify right side
    10,763.20x = 107,327,276.18
  5. Step 5: Solve for x
    x = 107,327,276.18/10,763.20
  6. Step 6: Final answer
    x = 9,971.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.