Home / 19,081.12-26,366.16-14,920.96

Finding the Fourth Proportional to 19,081.12, 26,366.16 and 14,920.96

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Solution

The fourth proportional to 19,081.12, 26,366.16 and 14,920.96 is: 20,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.12 : 26,366.16 = 14,920.96 : x
  2. Step 2: Convert to fraction form
    19,081.12/26,366.16 = 14,920.96/x
  3. Step 3: Cross multiply
    19,081.12x = 26,366.16 × 14,920.96
  4. Step 4: Simplify right side
    19,081.12x = 393,408,418.71
  5. Step 5: Solve for x
    x = 393,408,418.71/19,081.12
  6. Step 6: Final answer
    x = 20,617.68

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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.