Home / 10,227.16-15,330.40-3,983.28

Finding the Fourth Proportional to 10,227.16, 15,330.40 and 3,983.28

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Solution

The fourth proportional to 10,227.16, 15,330.40 and 3,983.28 is: 5,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.16 : 15,330.40 = 3,983.28 : x
  2. Step 2: Convert to fraction form
    10,227.16/15,330.40 = 3,983.28/x
  3. Step 3: Cross multiply
    10,227.16x = 15,330.40 × 3,983.28
  4. Step 4: Simplify right side
    10,227.16x = 61,065,275.71
  5. Step 5: Solve for x
    x = 61,065,275.71/10,227.16
  6. Step 6: Final answer
    x = 5,970.89

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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.