Home / 11,086.80-15,297.12-6,370.08

Finding the Fourth Proportional to 11,086.80, 15,297.12 and 6,370.08

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Solution

The fourth proportional to 11,086.80, 15,297.12 and 6,370.08 is: 8,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.80 : 15,297.12 = 6,370.08 : x
  2. Step 2: Convert to fraction form
    11,086.80/15,297.12 = 6,370.08/x
  3. Step 3: Cross multiply
    11,086.80x = 15,297.12 × 6,370.08
  4. Step 4: Simplify right side
    11,086.80x = 97,443,878.17
  5. Step 5: Solve for x
    x = 97,443,878.17/11,086.80
  6. Step 6: Final answer
    x = 8,789.18

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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.