Home / 16,551.45-22,835.30-9,380.34

Finding the Fourth Proportional to 16,551.45, 22,835.30 and 9,380.34

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Solution

The fourth proportional to 16,551.45, 22,835.30 and 9,380.34 is: 12,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,551.45 : 22,835.30 = 9,380.34 : x
  2. Step 2: Convert to fraction form
    16,551.45/22,835.30 = 9,380.34/x
  3. Step 3: Cross multiply
    16,551.45x = 22,835.30 × 9,380.34
  4. Step 4: Simplify right side
    16,551.45x = 214,202,831.10
  5. Step 5: Solve for x
    x = 214,202,831.10/16,551.45
  6. Step 6: Final answer
    x = 12,941.64

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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.