Home / 21,729.84-32,594.76-6,145.44

Finding the Fourth Proportional to 21,729.84, 32,594.76 and 6,145.44

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Solution

The fourth proportional to 21,729.84, 32,594.76 and 6,145.44 is: 9,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729.84 : 32,594.76 = 6,145.44 : x
  2. Step 2: Convert to fraction form
    21,729.84/32,594.76 = 6,145.44/x
  3. Step 3: Cross multiply
    21,729.84x = 32,594.76 × 6,145.44
  4. Step 4: Simplify right side
    21,729.84x = 200,309,141.89
  5. Step 5: Solve for x
    x = 200,309,141.89/21,729.84
  6. Step 6: Final answer
    x = 9,218.16

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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.