Home / 15,859.21-23,790.86-5,324.70

Finding the Fourth Proportional to 15,859.21, 23,790.86 and 5,324.70

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Solution

The fourth proportional to 15,859.21, 23,790.86 and 5,324.70 is: 7,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.21 : 23,790.86 = 5,324.70 : x
  2. Step 2: Convert to fraction form
    15,859.21/23,790.86 = 5,324.70/x
  3. Step 3: Cross multiply
    15,859.21x = 23,790.86 × 5,324.70
  4. Step 4: Simplify right side
    15,859.21x = 126,679,170.69
  5. Step 5: Solve for x
    x = 126,679,170.69/15,859.21
  6. Step 6: Final answer
    x = 7,987.74

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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.