Home / 19,366.32-26,726.40-11,408.88

Finding the Fourth Proportional to 19,366.32, 26,726.40 and 11,408.88

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Solution

The fourth proportional to 19,366.32, 26,726.40 and 11,408.88 is: 15,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366.32 : 26,726.40 = 11,408.88 : x
  2. Step 2: Convert to fraction form
    19,366.32/26,726.40 = 11,408.88/x
  3. Step 3: Cross multiply
    19,366.32x = 26,726.40 × 11,408.88
  4. Step 4: Simplify right side
    19,366.32x = 304,918,290.43
  5. Step 5: Solve for x
    x = 304,918,290.43/19,366.32
  6. Step 6: Final answer
    x = 15,744.77

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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.