Home / 10,366.31-15,549.47-3,440.81

Finding the Fourth Proportional to 10,366.31, 15,549.47 and 3,440.81

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Solution

The fourth proportional to 10,366.31, 15,549.47 and 3,440.81 is: 5,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.31 : 15,549.47 = 3,440.81 : x
  2. Step 2: Convert to fraction form
    10,366.31/15,549.47 = 3,440.81/x
  3. Step 3: Cross multiply
    10,366.31x = 15,549.47 × 3,440.81
  4. Step 4: Simplify right side
    10,366.31x = 53,502,806.44
  5. Step 5: Solve for x
    x = 53,502,806.44/10,366.31
  6. Step 6: Final answer
    x = 5,161.22

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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.