Home / 19,132.87-26,408.57-12,418.10

Finding the Fourth Proportional to 19,132.87, 26,408.57 and 12,418.10

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Solution

The fourth proportional to 19,132.87, 26,408.57 and 12,418.10 is: 17,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.87 : 26,408.57 = 12,418.10 : x
  2. Step 2: Convert to fraction form
    19,132.87/26,408.57 = 12,418.10/x
  3. Step 3: Cross multiply
    19,132.87x = 26,408.57 × 12,418.10
  4. Step 4: Simplify right side
    19,132.87x = 327,944,267.05
  5. Step 5: Solve for x
    x = 327,944,267.05/19,132.87
  6. Step 6: Final answer
    x = 17,140.36

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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.