Home / 17,207.20-25,831.60-9,816.80

Finding the Fourth Proportional to 17,207.20, 25,831.60 and 9,816.80

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Solution

The fourth proportional to 17,207.20, 25,831.60 and 9,816.80 is: 14,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.20 : 25,831.60 = 9,816.80 : x
  2. Step 2: Convert to fraction form
    17,207.20/25,831.60 = 9,816.80/x
  3. Step 3: Cross multiply
    17,207.20x = 25,831.60 × 9,816.80
  4. Step 4: Simplify right side
    17,207.20x = 253,583,650.88
  5. Step 5: Solve for x
    x = 253,583,650.88/17,207.20
  6. Step 6: Final answer
    x = 14,737.07

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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.