Home / 21,732.16-32,594.40-6,145.60

Finding the Fourth Proportional to 21,732.16, 32,594.40 and 6,145.60

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Solution

The fourth proportional to 21,732.16, 32,594.40 and 6,145.60 is: 9,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.16 : 32,594.40 = 6,145.60 : x
  2. Step 2: Convert to fraction form
    21,732.16/32,594.40 = 6,145.60/x
  3. Step 3: Cross multiply
    21,732.16x = 32,594.40 × 6,145.60
  4. Step 4: Simplify right side
    21,732.16x = 200,312,144.64
  5. Step 5: Solve for x
    x = 200,312,144.64/21,732.16
  6. Step 6: Final answer
    x = 9,217.31

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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.