Home / 21,863.17-32,805.46-9,379.50

Finding the Fourth Proportional to 21,863.17, 32,805.46 and 9,379.50

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Solution

The fourth proportional to 21,863.17, 32,805.46 and 9,379.50 is: 14,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863.17 : 32,805.46 = 9,379.50 : x
  2. Step 2: Convert to fraction form
    21,863.17/32,805.46 = 9,379.50/x
  3. Step 3: Cross multiply
    21,863.17x = 32,805.46 × 9,379.50
  4. Step 4: Simplify right side
    21,863.17x = 307,698,648.01
  5. Step 5: Solve for x
    x = 307,698,648.01/21,863.17
  6. Step 6: Final answer
    x = 14,073.84

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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.