Home / 15,986-23,982.56-4,894.24

Finding the Fourth Proportional to 15,986, 23,982.56 and 4,894.24

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Solution

The fourth proportional to 15,986, 23,982.56 and 4,894.24 is: 7,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986 : 23,982.56 = 4,894.24 : x
  2. Step 2: Convert to fraction form
    15,986/23,982.56 = 4,894.24/x
  3. Step 3: Cross multiply
    15,986x = 23,982.56 × 4,894.24
  4. Step 4: Simplify right side
    15,986x = 117,376,404.45
  5. Step 5: Solve for x
    x = 117,376,404.45/15,986
  6. Step 6: Final answer
    x = 7,342.45

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1.5x scale

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.