Home / 17,219.12-25,831.53-6,123.47

Finding the Fourth Proportional to 17,219.12, 25,831.53 and 6,123.47

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Solution

The fourth proportional to 17,219.12, 25,831.53 and 6,123.47 is: 9,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.12 : 25,831.53 = 6,123.47 : x
  2. Step 2: Convert to fraction form
    17,219.12/25,831.53 = 6,123.47/x
  3. Step 3: Cross multiply
    17,219.12x = 25,831.53 × 6,123.47
  4. Step 4: Simplify right side
    17,219.12x = 158,178,469.85
  5. Step 5: Solve for x
    x = 158,178,469.85/17,219.12
  6. Step 6: Final answer
    x = 9,186.21

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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.