Home / 19,831.88-29,747.84-5,980.88

Finding the Fourth Proportional to 19,831.88, 29,747.84 and 5,980.88

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Solution

The fourth proportional to 19,831.88, 29,747.84 and 5,980.88 is: 8,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.88 : 29,747.84 = 5,980.88 : x
  2. Step 2: Convert to fraction form
    19,831.88/29,747.84 = 5,980.88/x
  3. Step 3: Cross multiply
    19,831.88x = 29,747.84 × 5,980.88
  4. Step 4: Simplify right side
    19,831.88x = 177,918,082.66
  5. Step 5: Solve for x
    x = 177,918,082.66/19,831.88
  6. Step 6: Final answer
    x = 8,971.32

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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.