Home / 11,079.57-15,278.19-7,297.91

Finding the Fourth Proportional to 11,079.57, 15,278.19 and 7,297.91

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Solution

The fourth proportional to 11,079.57, 15,278.19 and 7,297.91 is: 10,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.57 : 15,278.19 = 7,297.91 : x
  2. Step 2: Convert to fraction form
    11,079.57/15,278.19 = 7,297.91/x
  3. Step 3: Cross multiply
    11,079.57x = 15,278.19 × 7,297.91
  4. Step 4: Simplify right side
    11,079.57x = 111,498,779.19
  5. Step 5: Solve for x
    x = 111,498,779.19/11,079.57
  6. Step 6: Final answer
    x = 10,063.46

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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.