Home / 17,790.45-24,549.12-9,831.39

Finding the Fourth Proportional to 17,790.45, 24,549.12 and 9,831.39

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Solution

The fourth proportional to 17,790.45, 24,549.12 and 9,831.39 is: 13,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.45 : 24,549.12 = 9,831.39 : x
  2. Step 2: Convert to fraction form
    17,790.45/24,549.12 = 9,831.39/x
  3. Step 3: Cross multiply
    17,790.45x = 24,549.12 × 9,831.39
  4. Step 4: Simplify right side
    17,790.45x = 241,351,972.88
  5. Step 5: Solve for x
    x = 241,351,972.88/17,790.45
  6. Step 6: Final answer
    x = 13,566.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.