Home / 15,689.31-23,527.71-6,918

Finding the Fourth Proportional to 15,689.31, 23,527.71 and 6,918

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Solution

The fourth proportional to 15,689.31, 23,527.71 and 6,918 is: 10,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.31 : 23,527.71 = 6,918 : x
  2. Step 2: Convert to fraction form
    15,689.31/23,527.71 = 6,918/x
  3. Step 3: Cross multiply
    15,689.31x = 23,527.71 × 6,918
  4. Step 4: Simplify right side
    15,689.31x = 162,764,697.78
  5. Step 5: Solve for x
    x = 162,764,697.78/15,689.31
  6. Step 6: Final answer
    x = 10,374.24

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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.