Home / 14,178.89-19,554.13-8,874.20

Finding the Fourth Proportional to 14,178.89, 19,554.13 and 8,874.20

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Solution

The fourth proportional to 14,178.89, 19,554.13 and 8,874.20 is: 12,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.89 : 19,554.13 = 8,874.20 : x
  2. Step 2: Convert to fraction form
    14,178.89/19,554.13 = 8,874.20/x
  3. Step 3: Cross multiply
    14,178.89x = 19,554.13 × 8,874.20
  4. Step 4: Simplify right side
    14,178.89x = 173,527,260.45
  5. Step 5: Solve for x
    x = 173,527,260.45/14,178.89
  6. Step 6: Final answer
    x = 12,238.42

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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.