Home / 10,049.40-15,075-2,653.76

Finding the Fourth Proportional to 10,049.40, 15,075 and 2,653.76

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Solution

The fourth proportional to 10,049.40, 15,075 and 2,653.76 is: 3,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049.40 : 15,075 = 2,653.76 : x
  2. Step 2: Convert to fraction form
    10,049.40/15,075 = 2,653.76/x
  3. Step 3: Cross multiply
    10,049.40x = 15,075 × 2,653.76
  4. Step 4: Simplify right side
    10,049.40x = 40,005,432
  5. Step 5: Solve for x
    x = 40,005,432/10,049.40
  6. Step 6: Final answer
    x = 3,980.88

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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.