Home / 19,077.20-26,327.22-11,118.14

Finding the Fourth Proportional to 19,077.20, 26,327.22 and 11,118.14

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Solution

The fourth proportional to 19,077.20, 26,327.22 and 11,118.14 is: 15,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.20 : 26,327.22 = 11,118.14 : x
  2. Step 2: Convert to fraction form
    19,077.20/26,327.22 = 11,118.14/x
  3. Step 3: Cross multiply
    19,077.20x = 26,327.22 × 11,118.14
  4. Step 4: Simplify right side
    19,077.20x = 292,709,717.77
  5. Step 5: Solve for x
    x = 292,709,717.77/19,077.20
  6. Step 6: Final answer
    x = 15,343.43

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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.