Home / 14,251.10-21,394.20-8,986.10

Finding the Fourth Proportional to 14,251.10, 21,394.20 and 8,986.10

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Solution

The fourth proportional to 14,251.10, 21,394.20 and 8,986.10 is: 13,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.10 : 21,394.20 = 8,986.10 : x
  2. Step 2: Convert to fraction form
    14,251.10/21,394.20 = 8,986.10/x
  3. Step 3: Cross multiply
    14,251.10x = 21,394.20 × 8,986.10
  4. Step 4: Simplify right side
    14,251.10x = 192,250,420.62
  5. Step 5: Solve for x
    x = 192,250,420.62/14,251.10
  6. Step 6: Final answer
    x = 13,490.22

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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.