Home / 19,408.74-26,782.29-10,908.90

Finding the Fourth Proportional to 19,408.74, 26,782.29 and 10,908.90

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Solution

The fourth proportional to 19,408.74, 26,782.29 and 10,908.90 is: 15,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.74 : 26,782.29 = 10,908.90 : x
  2. Step 2: Convert to fraction form
    19,408.74/26,782.29 = 10,908.90/x
  3. Step 3: Cross multiply
    19,408.74x = 26,782.29 × 10,908.90
  4. Step 4: Simplify right side
    19,408.74x = 292,165,323.38
  5. Step 5: Solve for x
    x = 292,165,323.38/19,408.74
  6. Step 6: Final answer
    x = 15,053.29

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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.