Home / 21,679.73-32,510.40-6,884.69

Finding the Fourth Proportional to 21,679.73, 32,510.40 and 6,884.69

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Solution

The fourth proportional to 21,679.73, 32,510.40 and 6,884.69 is: 10,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.73 : 32,510.40 = 6,884.69 : x
  2. Step 2: Convert to fraction form
    21,679.73/32,510.40 = 6,884.69/x
  3. Step 3: Cross multiply
    21,679.73x = 32,510.40 × 6,884.69
  4. Step 4: Simplify right side
    21,679.73x = 223,824,025.78
  5. Step 5: Solve for x
    x = 223,824,025.78/21,679.73
  6. Step 6: Final answer
    x = 10,324.12

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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.