Home / 8,744.40-13,085.80-7,165.44

Finding the Fourth Proportional to 8,744.40, 13,085.80 and 7,165.44

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Solution

The fourth proportional to 8,744.40, 13,085.80 and 7,165.44 is: 10,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.40 : 13,085.80 = 7,165.44 : x
  2. Step 2: Convert to fraction form
    8,744.40/13,085.80 = 7,165.44/x
  3. Step 3: Cross multiply
    8,744.40x = 13,085.80 × 7,165.44
  4. Step 4: Simplify right side
    8,744.40x = 93,765,514.75
  5. Step 5: Solve for x
    x = 93,765,514.75/8,744.40
  6. Step 6: Final answer
    x = 10,722.92

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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.