Home / 9,169.50-12,661.65-5,818.26

Finding the Fourth Proportional to 9,169.50, 12,661.65 and 5,818.26

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Solution

The fourth proportional to 9,169.50, 12,661.65 and 5,818.26 is: 8,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.50 : 12,661.65 = 5,818.26 : x
  2. Step 2: Convert to fraction form
    9,169.50/12,661.65 = 5,818.26/x
  3. Step 3: Cross multiply
    9,169.50x = 12,661.65 × 5,818.26
  4. Step 4: Simplify right side
    9,169.50x = 73,668,771.73
  5. Step 5: Solve for x
    x = 73,668,771.73/9,169.50
  6. Step 6: Final answer
    x = 8,034.11

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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.