Home / 15,979.38-23,973.93-7,211.94

Finding the Fourth Proportional to 15,979.38, 23,973.93 and 7,211.94

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Solution

The fourth proportional to 15,979.38, 23,973.93 and 7,211.94 is: 10,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.38 : 23,973.93 = 7,211.94 : x
  2. Step 2: Convert to fraction form
    15,979.38/23,973.93 = 7,211.94/x
  3. Step 3: Cross multiply
    15,979.38x = 23,973.93 × 7,211.94
  4. Step 4: Simplify right side
    15,979.38x = 172,898,544.72
  5. Step 5: Solve for x
    x = 172,898,544.72/15,979.38
  6. Step 6: Final answer
    x = 10,820.10

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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.