Home / 10,305.12-15,333.72-10,270.56

Finding the Fourth Proportional to 10,305.12, 15,333.72 and 10,270.56

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Solution

The fourth proportional to 10,305.12, 15,333.72 and 10,270.56 is: 15,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.12 : 15,333.72 = 10,270.56 : x
  2. Step 2: Convert to fraction form
    10,305.12/15,333.72 = 10,270.56/x
  3. Step 3: Cross multiply
    10,305.12x = 15,333.72 × 10,270.56
  4. Step 4: Simplify right side
    10,305.12x = 157,485,891.28
  5. Step 5: Solve for x
    x = 157,485,891.28/10,305.12
  6. Step 6: Final answer
    x = 15,282.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.