Home / 10,299.63-15,440.28-3,724.35

Finding the Fourth Proportional to 10,299.63, 15,440.28 and 3,724.35

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Solution

The fourth proportional to 10,299.63, 15,440.28 and 3,724.35 is: 5,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.63 : 15,440.28 = 3,724.35 : x
  2. Step 2: Convert to fraction form
    10,299.63/15,440.28 = 3,724.35/x
  3. Step 3: Cross multiply
    10,299.63x = 15,440.28 × 3,724.35
  4. Step 4: Simplify right side
    10,299.63x = 57,504,988.20
  5. Step 5: Solve for x
    x = 57,504,988.20/10,299.63
  6. Step 6: Final answer
    x = 5,583.21

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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.