Home / 21,399.14-32,096.28-5,813.12

Finding the Fourth Proportional to 21,399.14, 32,096.28 and 5,813.12

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Solution

The fourth proportional to 21,399.14, 32,096.28 and 5,813.12 is: 8,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399.14 : 32,096.28 = 5,813.12 : x
  2. Step 2: Convert to fraction form
    21,399.14/32,096.28 = 5,813.12/x
  3. Step 3: Cross multiply
    21,399.14x = 32,096.28 × 5,813.12
  4. Step 4: Simplify right side
    21,399.14x = 186,579,527.19
  5. Step 5: Solve for x
    x = 186,579,527.19/21,399.14
  6. Step 6: Final answer
    x = 8,719.02

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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.