Home / 12,310.13-18,465.21-3,076.13

Finding the Fourth Proportional to 12,310.13, 18,465.21 and 3,076.13

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Solution

The fourth proportional to 12,310.13, 18,465.21 and 3,076.13 is: 4,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.13 : 18,465.21 = 3,076.13 : x
  2. Step 2: Convert to fraction form
    12,310.13/18,465.21 = 3,076.13/x
  3. Step 3: Cross multiply
    12,310.13x = 18,465.21 × 3,076.13
  4. Step 4: Simplify right side
    12,310.13x = 56,801,294.11
  5. Step 5: Solve for x
    x = 56,801,294.11/12,310.13
  6. Step 6: Final answer
    x = 4,614.19

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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.