Home / 10,481.64-15,718.41-4,240.05

Finding the Fourth Proportional to 10,481.64, 15,718.41 and 4,240.05

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Solution

The fourth proportional to 10,481.64, 15,718.41 and 4,240.05 is: 6,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.64 : 15,718.41 = 4,240.05 : x
  2. Step 2: Convert to fraction form
    10,481.64/15,718.41 = 4,240.05/x
  3. Step 3: Cross multiply
    10,481.64x = 15,718.41 × 4,240.05
  4. Step 4: Simplify right side
    10,481.64x = 66,646,844.32
  5. Step 5: Solve for x
    x = 66,646,844.32/10,481.64
  6. Step 6: Final answer
    x = 6,358.44

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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.