Home / 21,638.90-32,463.76-6,056.40

Finding the Fourth Proportional to 21,638.90, 32,463.76 and 6,056.40

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Solution

The fourth proportional to 21,638.90, 32,463.76 and 6,056.40 is: 9,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638.90 : 32,463.76 = 6,056.40 : x
  2. Step 2: Convert to fraction form
    21,638.90/32,463.76 = 6,056.40/x
  3. Step 3: Cross multiply
    21,638.90x = 32,463.76 × 6,056.40
  4. Step 4: Simplify right side
    21,638.90x = 196,613,516.06
  5. Step 5: Solve for x
    x = 196,613,516.06/21,638.90
  6. Step 6: Final answer
    x = 9,086.11

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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.