Home / 10,818.13-16,229.39-4,578.16

Finding the Fourth Proportional to 10,818.13, 16,229.39 and 4,578.16

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Solution

The fourth proportional to 10,818.13, 16,229.39 and 4,578.16 is: 6,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.13 : 16,229.39 = 4,578.16 : x
  2. Step 2: Convert to fraction form
    10,818.13/16,229.39 = 4,578.16/x
  3. Step 3: Cross multiply
    10,818.13x = 16,229.39 × 4,578.16
  4. Step 4: Simplify right side
    10,818.13x = 74,300,744.12
  5. Step 5: Solve for x
    x = 74,300,744.12/10,818.13
  6. Step 6: Final answer
    x = 6,868.17

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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.