Home / 16,247.37-22,420.30-9,440.79

Finding the Fourth Proportional to 16,247.37, 22,420.30 and 9,440.79

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Solution

The fourth proportional to 16,247.37, 22,420.30 and 9,440.79 is: 13,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.37 : 22,420.30 = 9,440.79 : x
  2. Step 2: Convert to fraction form
    16,247.37/22,420.30 = 9,440.79/x
  3. Step 3: Cross multiply
    16,247.37x = 22,420.30 × 9,440.79
  4. Step 4: Simplify right side
    16,247.37x = 211,665,184.73
  5. Step 5: Solve for x
    x = 211,665,184.73/16,247.37
  6. Step 6: Final answer
    x = 13,027.66

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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.