Home / 10,568.19-15,852.32-3,172.74

Finding the Fourth Proportional to 10,568.19, 15,852.32 and 3,172.74

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Solution

The fourth proportional to 10,568.19, 15,852.32 and 3,172.74 is: 4,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.19 : 15,852.32 = 3,172.74 : x
  2. Step 2: Convert to fraction form
    10,568.19/15,852.32 = 3,172.74/x
  3. Step 3: Cross multiply
    10,568.19x = 15,852.32 × 3,172.74
  4. Step 4: Simplify right side
    10,568.19x = 50,295,289.76
  5. Step 5: Solve for x
    x = 50,295,289.76/10,568.19
  6. Step 6: Final answer
    x = 4,759.12

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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.