Home / 10,198.11-14,077.71-6,220.65

Finding the Fourth Proportional to 10,198.11, 14,077.71 and 6,220.65

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Solution

The fourth proportional to 10,198.11, 14,077.71 and 6,220.65 is: 8,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.11 : 14,077.71 = 6,220.65 : x
  2. Step 2: Convert to fraction form
    10,198.11/14,077.71 = 6,220.65/x
  3. Step 3: Cross multiply
    10,198.11x = 14,077.71 × 6,220.65
  4. Step 4: Simplify right side
    10,198.11x = 87,572,506.71
  5. Step 5: Solve for x
    x = 87,572,506.71/10,198.11
  6. Step 6: Final answer
    x = 8,587.13

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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.