Home / 17,014.48-25,515.22-8,128.24

Finding the Fourth Proportional to 17,014.48, 25,515.22 and 8,128.24

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Solution

The fourth proportional to 17,014.48, 25,515.22 and 8,128.24 is: 12,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,014.48 : 25,515.22 = 8,128.24 : x
  2. Step 2: Convert to fraction form
    17,014.48/25,515.22 = 8,128.24/x
  3. Step 3: Cross multiply
    17,014.48x = 25,515.22 × 8,128.24
  4. Step 4: Simplify right side
    17,014.48x = 207,393,831.81
  5. Step 5: Solve for x
    x = 207,393,831.81/17,014.48
  6. Step 6: Final answer
    x = 12,189.25

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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.