Home / 19,118.25-26,383.49-10,734.57

Finding the Fourth Proportional to 19,118.25, 26,383.49 and 10,734.57

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Solution

The fourth proportional to 19,118.25, 26,383.49 and 10,734.57 is: 14,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.25 : 26,383.49 = 10,734.57 : x
  2. Step 2: Convert to fraction form
    19,118.25/26,383.49 = 10,734.57/x
  3. Step 3: Cross multiply
    19,118.25x = 26,383.49 × 10,734.57
  4. Step 4: Simplify right side
    19,118.25x = 283,215,420.25
  5. Step 5: Solve for x
    x = 283,215,420.25/19,118.25
  6. Step 6: Final answer
    x = 14,813.88

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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.