Home / 16,767.90-25,158.78-8,443.44

Finding the Fourth Proportional to 16,767.90, 25,158.78 and 8,443.44

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Solution

The fourth proportional to 16,767.90, 25,158.78 and 8,443.44 is: 12,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.90 : 25,158.78 = 8,443.44 : x
  2. Step 2: Convert to fraction form
    16,767.90/25,158.78 = 8,443.44/x
  3. Step 3: Cross multiply
    16,767.90x = 25,158.78 × 8,443.44
  4. Step 4: Simplify right side
    16,767.90x = 212,426,649.40
  5. Step 5: Solve for x
    x = 212,426,649.40/16,767.90
  6. Step 6: Final answer
    x = 12,668.65

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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.