Home / 21,682.18-32,522.76-9,995.40

Finding the Fourth Proportional to 21,682.18, 32,522.76 and 9,995.40

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Solution

The fourth proportional to 21,682.18, 32,522.76 and 9,995.40 is: 14,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.18 : 32,522.76 = 9,995.40 : x
  2. Step 2: Convert to fraction form
    21,682.18/32,522.76 = 9,995.40/x
  3. Step 3: Cross multiply
    21,682.18x = 32,522.76 × 9,995.40
  4. Step 4: Simplify right side
    21,682.18x = 325,077,995.30
  5. Step 5: Solve for x
    x = 325,077,995.30/21,682.18
  6. Step 6: Final answer
    x = 14,992.86

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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.