Home / 12,315.24-18,463.14-6,468.66

Finding the Fourth Proportional to 12,315.24, 18,463.14 and 6,468.66

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Solution

The fourth proportional to 12,315.24, 18,463.14 and 6,468.66 is: 9,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315.24 : 18,463.14 = 6,468.66 : x
  2. Step 2: Convert to fraction form
    12,315.24/18,463.14 = 6,468.66/x
  3. Step 3: Cross multiply
    12,315.24x = 18,463.14 × 6,468.66
  4. Step 4: Simplify right side
    12,315.24x = 119,431,775.19
  5. Step 5: Solve for x
    x = 119,431,775.19/12,315.24
  6. Step 6: Final answer
    x = 9,697.88

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1.5x scale

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.