Home / 15,183.18-20,952.81-8,468.63

Finding the Fourth Proportional to 15,183.18, 20,952.81 and 8,468.63

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Solution

The fourth proportional to 15,183.18, 20,952.81 and 8,468.63 is: 11,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.18 : 20,952.81 = 8,468.63 : x
  2. Step 2: Convert to fraction form
    15,183.18/20,952.81 = 8,468.63/x
  3. Step 3: Cross multiply
    15,183.18x = 20,952.81 × 8,468.63
  4. Step 4: Simplify right side
    15,183.18x = 177,441,595.35
  5. Step 5: Solve for x
    x = 177,441,595.35/15,183.18
  6. Step 6: Final answer
    x = 11,686.72

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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.