Home / 14,291.40-19,722.09-8,241.62

Finding the Fourth Proportional to 14,291.40, 19,722.09 and 8,241.62

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Solution

The fourth proportional to 14,291.40, 19,722.09 and 8,241.62 is: 11,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.40 : 19,722.09 = 8,241.62 : x
  2. Step 2: Convert to fraction form
    14,291.40/19,722.09 = 8,241.62/x
  3. Step 3: Cross multiply
    14,291.40x = 19,722.09 × 8,241.62
  4. Step 4: Simplify right side
    14,291.40x = 162,541,872.78
  5. Step 5: Solve for x
    x = 162,541,872.78/14,291.40
  6. Step 6: Final answer
    x = 11,373.40

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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.