Home / 19,333.35-26,679.92-10,949.31

Finding the Fourth Proportional to 19,333.35, 26,679.92 and 10,949.31

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Solution

The fourth proportional to 19,333.35, 26,679.92 and 10,949.31 is: 15,109.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.35 : 26,679.92 = 10,949.31 : x
  2. Step 2: Convert to fraction form
    19,333.35/26,679.92 = 10,949.31/x
  3. Step 3: Cross multiply
    19,333.35x = 26,679.92 × 10,949.31
  4. Step 4: Simplify right side
    19,333.35x = 292,126,660.11
  5. Step 5: Solve for x
    x = 292,126,660.11/19,333.35
  6. Step 6: Final answer
    x = 15,109.99

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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.