Home / 10,290.26-15,435.38-2,499.02

Finding the Fourth Proportional to 10,290.26, 15,435.38 and 2,499.02

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Solution

The fourth proportional to 10,290.26, 15,435.38 and 2,499.02 is: 3,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.26 : 15,435.38 = 2,499.02 : x
  2. Step 2: Convert to fraction form
    10,290.26/15,435.38 = 2,499.02/x
  3. Step 3: Cross multiply
    10,290.26x = 15,435.38 × 2,499.02
  4. Step 4: Simplify right side
    10,290.26x = 38,573,252.40
  5. Step 5: Solve for x
    x = 38,573,252.40/10,290.26
  6. Step 6: Final answer
    x = 3,748.52

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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.