Home / 15,711.25-23,560.89-6,941.38

Finding the Fourth Proportional to 15,711.25, 23,560.89 and 6,941.38

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Solution

The fourth proportional to 15,711.25, 23,560.89 and 6,941.38 is: 10,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.25 : 23,560.89 = 6,941.38 : x
  2. Step 2: Convert to fraction form
    15,711.25/23,560.89 = 6,941.38/x
  3. Step 3: Cross multiply
    15,711.25x = 23,560.89 × 6,941.38
  4. Step 4: Simplify right side
    15,711.25x = 163,545,090.63
  5. Step 5: Solve for x
    x = 163,545,090.63/15,711.25
  6. Step 6: Final answer
    x = 10,409.43

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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.