Home / 10,993.17-15,170.24-6,276.53

Finding the Fourth Proportional to 10,993.17, 15,170.24 and 6,276.53

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Solution

The fourth proportional to 10,993.17, 15,170.24 and 6,276.53 is: 8,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.17 : 15,170.24 = 6,276.53 : x
  2. Step 2: Convert to fraction form
    10,993.17/15,170.24 = 6,276.53/x
  3. Step 3: Cross multiply
    10,993.17x = 15,170.24 × 6,276.53
  4. Step 4: Simplify right side
    10,993.17x = 95,216,466.47
  5. Step 5: Solve for x
    x = 95,216,466.47/10,993.17
  6. Step 6: Final answer
    x = 8,661.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.