Home / 11,919.29-16,448.67-6,614.10

Finding the Fourth Proportional to 11,919.29, 16,448.67 and 6,614.10

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Solution

The fourth proportional to 11,919.29, 16,448.67 and 6,614.10 is: 9,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.29 : 16,448.67 = 6,614.10 : x
  2. Step 2: Convert to fraction form
    11,919.29/16,448.67 = 6,614.10/x
  3. Step 3: Cross multiply
    11,919.29x = 16,448.67 × 6,614.10
  4. Step 4: Simplify right side
    11,919.29x = 108,793,148.25
  5. Step 5: Solve for x
    x = 108,793,148.25/11,919.29
  6. Step 6: Final answer
    x = 9,127.49

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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.