Home / 16,758.92-25,138.35-4,278.94

Finding the Fourth Proportional to 16,758.92, 25,138.35 and 4,278.94

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Solution

The fourth proportional to 16,758.92, 25,138.35 and 4,278.94 is: 6,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.92 : 25,138.35 = 4,278.94 : x
  2. Step 2: Convert to fraction form
    16,758.92/25,138.35 = 4,278.94/x
  3. Step 3: Cross multiply
    16,758.92x = 25,138.35 × 4,278.94
  4. Step 4: Simplify right side
    16,758.92x = 107,565,491.35
  5. Step 5: Solve for x
    x = 107,565,491.35/16,758.92
  6. Step 6: Final answer
    x = 6,418.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.