Home / 8,369.80-11,550.69-5,011.97

Finding the Fourth Proportional to 8,369.80, 11,550.69 and 5,011.97

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Solution

The fourth proportional to 8,369.80, 11,550.69 and 5,011.97 is: 6,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.80 : 11,550.69 = 5,011.97 : x
  2. Step 2: Convert to fraction form
    8,369.80/11,550.69 = 5,011.97/x
  3. Step 3: Cross multiply
    8,369.80x = 11,550.69 × 5,011.97
  4. Step 4: Simplify right side
    8,369.80x = 57,891,711.76
  5. Step 5: Solve for x
    x = 57,891,711.76/8,369.80
  6. Step 6: Final answer
    x = 6,916.74

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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.