Home / 21,364.56-32,013.63-8,873.96

Finding the Fourth Proportional to 21,364.56, 32,013.63 and 8,873.96

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Solution

The fourth proportional to 21,364.56, 32,013.63 and 8,873.96 is: 13,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,364.56 : 32,013.63 = 8,873.96 : x
  2. Step 2: Convert to fraction form
    21,364.56/32,013.63 = 8,873.96/x
  3. Step 3: Cross multiply
    21,364.56x = 32,013.63 × 8,873.96
  4. Step 4: Simplify right side
    21,364.56x = 284,087,512.01
  5. Step 5: Solve for x
    x = 284,087,512.01/21,364.56
  6. Step 6: Final answer
    x = 13,297.14

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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.