Home / 11,086.90-15,296.06-7,110.20

Finding the Fourth Proportional to 11,086.90, 15,296.06 and 7,110.20

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Solution

The fourth proportional to 11,086.90, 15,296.06 and 7,110.20 is: 9,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.90 : 15,296.06 = 7,110.20 : x
  2. Step 2: Convert to fraction form
    11,086.90/15,296.06 = 7,110.20/x
  3. Step 3: Cross multiply
    11,086.90x = 15,296.06 × 7,110.20
  4. Step 4: Simplify right side
    11,086.90x = 108,758,010.26
  5. Step 5: Solve for x
    x = 108,758,010.26/11,086.90
  6. Step 6: Final answer
    x = 9,809.60

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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.