Home / 10,214.17-15,321.29-2,818.46

Finding the Fourth Proportional to 10,214.17, 15,321.29 and 2,818.46

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Solution

The fourth proportional to 10,214.17, 15,321.29 and 2,818.46 is: 4,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.17 : 15,321.29 = 2,818.46 : x
  2. Step 2: Convert to fraction form
    10,214.17/15,321.29 = 2,818.46/x
  3. Step 3: Cross multiply
    10,214.17x = 15,321.29 × 2,818.46
  4. Step 4: Simplify right side
    10,214.17x = 43,182,467.22
  5. Step 5: Solve for x
    x = 43,182,467.22/10,214.17
  6. Step 6: Final answer
    x = 4,227.70

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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.