Home / 15,005.79-22,509.96-3,912.48

Finding the Fourth Proportional to 15,005.79, 22,509.96 and 3,912.48

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Solution

The fourth proportional to 15,005.79, 22,509.96 and 3,912.48 is: 5,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005.79 : 22,509.96 = 3,912.48 : x
  2. Step 2: Convert to fraction form
    15,005.79/22,509.96 = 3,912.48/x
  3. Step 3: Cross multiply
    15,005.79x = 22,509.96 × 3,912.48
  4. Step 4: Simplify right side
    15,005.79x = 88,069,768.30
  5. Step 5: Solve for x
    x = 88,069,768.30/15,005.79
  6. Step 6: Final answer
    x = 5,869.05

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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.