Home / 10,170.76-15,281.70-6,474.64

Finding the Fourth Proportional to 10,170.76, 15,281.70 and 6,474.64

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Solution

The fourth proportional to 10,170.76, 15,281.70 and 6,474.64 is: 9,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.76 : 15,281.70 = 6,474.64 : x
  2. Step 2: Convert to fraction form
    10,170.76/15,281.70 = 6,474.64/x
  3. Step 3: Cross multiply
    10,170.76x = 15,281.70 × 6,474.64
  4. Step 4: Simplify right side
    10,170.76x = 98,943,506.09
  5. Step 5: Solve for x
    x = 98,943,506.09/10,170.76
  6. Step 6: Final answer
    x = 9,728.23

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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.