Home / 15,919.31-23,880.49-6,559.97

Finding the Fourth Proportional to 15,919.31, 23,880.49 and 6,559.97

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Solution

The fourth proportional to 15,919.31, 23,880.49 and 6,559.97 is: 9,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.31 : 23,880.49 = 6,559.97 : x
  2. Step 2: Convert to fraction form
    15,919.31/23,880.49 = 6,559.97/x
  3. Step 3: Cross multiply
    15,919.31x = 23,880.49 × 6,559.97
  4. Step 4: Simplify right side
    15,919.31x = 156,655,162.18
  5. Step 5: Solve for x
    x = 156,655,162.18/15,919.31
  6. Step 6: Final answer
    x = 9,840.57

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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.