Home / 11,079.95-15,290.33-6,365.13

Finding the Fourth Proportional to 11,079.95, 15,290.33 and 6,365.13

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Solution

The fourth proportional to 11,079.95, 15,290.33 and 6,365.13 is: 8,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.95 : 15,290.33 = 6,365.13 : x
  2. Step 2: Convert to fraction form
    11,079.95/15,290.33 = 6,365.13/x
  3. Step 3: Cross multiply
    11,079.95x = 15,290.33 × 6,365.13
  4. Step 4: Simplify right side
    11,079.95x = 97,324,906.37
  5. Step 5: Solve for x
    x = 97,324,906.37/11,079.95
  6. Step 6: Final answer
    x = 8,783.88

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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.