Home / 15,579.72-23,368.62-6,345.48

Finding the Fourth Proportional to 15,579.72, 23,368.62 and 6,345.48

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Solution

The fourth proportional to 15,579.72, 23,368.62 and 6,345.48 is: 9,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.72 : 23,368.62 = 6,345.48 : x
  2. Step 2: Convert to fraction form
    15,579.72/23,368.62 = 6,345.48/x
  3. Step 3: Cross multiply
    15,579.72x = 23,368.62 × 6,345.48
  4. Step 4: Simplify right side
    15,579.72x = 148,285,110.84
  5. Step 5: Solve for x
    x = 148,285,110.84/15,579.72
  6. Step 6: Final answer
    x = 9,517.83

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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.