Home / 19,139.44-26,412.20-11,182.88

Finding the Fourth Proportional to 19,139.44, 26,412.20 and 11,182.88

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Solution

The fourth proportional to 19,139.44, 26,412.20 and 11,182.88 is: 15,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.44 : 26,412.20 = 11,182.88 : x
  2. Step 2: Convert to fraction form
    19,139.44/26,412.20 = 11,182.88/x
  3. Step 3: Cross multiply
    19,139.44x = 26,412.20 × 11,182.88
  4. Step 4: Simplify right side
    19,139.44x = 295,364,463.14
  5. Step 5: Solve for x
    x = 295,364,463.14/19,139.44
  6. Step 6: Final answer
    x = 15,432.24

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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.