Home / 19,462.60-26,853.78-11,081.80

Finding the Fourth Proportional to 19,462.60, 26,853.78 and 11,081.80

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Solution

The fourth proportional to 19,462.60, 26,853.78 and 11,081.80 is: 15,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.60 : 26,853.78 = 11,081.80 : x
  2. Step 2: Convert to fraction form
    19,462.60/26,853.78 = 11,081.80/x
  3. Step 3: Cross multiply
    19,462.60x = 26,853.78 × 11,081.80
  4. Step 4: Simplify right side
    19,462.60x = 297,588,219.20
  5. Step 5: Solve for x
    x = 297,588,219.20/19,462.60
  6. Step 6: Final answer
    x = 15,290.26

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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.