Home / 15,711.21-23,566.19-5,322.96

Finding the Fourth Proportional to 15,711.21, 23,566.19 and 5,322.96

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Solution

The fourth proportional to 15,711.21, 23,566.19 and 5,322.96 is: 7,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.21 : 23,566.19 = 5,322.96 : x
  2. Step 2: Convert to fraction form
    15,711.21/23,566.19 = 5,322.96/x
  3. Step 3: Cross multiply
    15,711.21x = 23,566.19 × 5,322.96
  4. Step 4: Simplify right side
    15,711.21x = 125,441,860.11
  5. Step 5: Solve for x
    x = 125,441,860.11/15,711.21
  6. Step 6: Final answer
    x = 7,984.23

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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.