Home / 10,097.46-15,147.63-3,172.50

Finding the Fourth Proportional to 10,097.46, 15,147.63 and 3,172.50

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Solution

The fourth proportional to 10,097.46, 15,147.63 and 3,172.50 is: 4,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.46 : 15,147.63 = 3,172.50 : x
  2. Step 2: Convert to fraction form
    10,097.46/15,147.63 = 3,172.50/x
  3. Step 3: Cross multiply
    10,097.46x = 15,147.63 × 3,172.50
  4. Step 4: Simplify right side
    10,097.46x = 48,055,856.18
  5. Step 5: Solve for x
    x = 48,055,856.18/10,097.46
  6. Step 6: Final answer
    x = 4,759.20

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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.