Home / 10,299.20-15,448.80-2,508.01

Finding the Fourth Proportional to 10,299.20, 15,448.80 and 2,508.01

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Solution

The fourth proportional to 10,299.20, 15,448.80 and 2,508.01 is: 3,762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.20 : 15,448.80 = 2,508.01 : x
  2. Step 2: Convert to fraction form
    10,299.20/15,448.80 = 2,508.01/x
  3. Step 3: Cross multiply
    10,299.20x = 15,448.80 × 2,508.01
  4. Step 4: Simplify right side
    10,299.20x = 38,745,795.52
  5. Step 5: Solve for x
    x = 38,745,795.52/10,299.20
  6. Step 6: Final answer
    x = 3,762.02

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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.