Home / 15,430-23,145.01-3,743.22

Finding the Fourth Proportional to 15,430, 23,145.01 and 3,743.22

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Solution

The fourth proportional to 15,430, 23,145.01 and 3,743.22 is: 5,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430 : 23,145.01 = 3,743.22 : x
  2. Step 2: Convert to fraction form
    15,430/23,145.01 = 3,743.22/x
  3. Step 3: Cross multiply
    15,430x = 23,145.01 × 3,743.22
  4. Step 4: Simplify right side
    15,430x = 86,636,864.33
  5. Step 5: Solve for x
    x = 86,636,864.33/15,430
  6. Step 6: Final answer
    x = 5,614.83

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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.