Home / 19,066.66-26,311.56-11,108.38

Finding the Fourth Proportional to 19,066.66, 26,311.56 and 11,108.38

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Solution

The fourth proportional to 19,066.66, 26,311.56 and 11,108.38 is: 15,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.66 : 26,311.56 = 11,108.38 : x
  2. Step 2: Convert to fraction form
    19,066.66/26,311.56 = 11,108.38/x
  3. Step 3: Cross multiply
    19,066.66x = 26,311.56 × 11,108.38
  4. Step 4: Simplify right side
    19,066.66x = 292,278,806.87
  5. Step 5: Solve for x
    x = 292,278,806.87/19,066.66
  6. Step 6: Final answer
    x = 15,329.31

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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.