Home / 8,943.27-13,412.16-6,187.65

Finding the Fourth Proportional to 8,943.27, 13,412.16 and 6,187.65

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Solution

The fourth proportional to 8,943.27, 13,412.16 and 6,187.65 is: 9,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.27 : 13,412.16 = 6,187.65 : x
  2. Step 2: Convert to fraction form
    8,943.27/13,412.16 = 6,187.65/x
  3. Step 3: Cross multiply
    8,943.27x = 13,412.16 × 6,187.65
  4. Step 4: Simplify right side
    8,943.27x = 82,989,751.82
  5. Step 5: Solve for x
    x = 82,989,751.82/8,943.27
  6. Step 6: Final answer
    x = 9,279.58

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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.