Home / 15,629.68-23,437.43-6,740.80

Finding the Fourth Proportional to 15,629.68, 23,437.43 and 6,740.80

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Solution

The fourth proportional to 15,629.68, 23,437.43 and 6,740.80 is: 10,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.68 : 23,437.43 = 6,740.80 : x
  2. Step 2: Convert to fraction form
    15,629.68/23,437.43 = 6,740.80/x
  3. Step 3: Cross multiply
    15,629.68x = 23,437.43 × 6,740.80
  4. Step 4: Simplify right side
    15,629.68x = 157,987,028.14
  5. Step 5: Solve for x
    x = 157,987,028.14/15,629.68
  6. Step 6: Final answer
    x = 10,108.14

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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.