Home / 19,042.25-26,278.92-12,657.71

Finding the Fourth Proportional to 19,042.25, 26,278.92 and 12,657.71

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Solution

The fourth proportional to 19,042.25, 26,278.92 and 12,657.71 is: 17,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.25 : 26,278.92 = 12,657.71 : x
  2. Step 2: Convert to fraction form
    19,042.25/26,278.92 = 12,657.71/x
  3. Step 3: Cross multiply
    19,042.25x = 26,278.92 × 12,657.71
  4. Step 4: Simplify right side
    19,042.25x = 332,630,817.08
  5. Step 5: Solve for x
    x = 332,630,817.08/19,042.25
  6. Step 6: Final answer
    x = 17,468.05

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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.