Home / 16,440.24-22,688.37-9,729.72

Finding the Fourth Proportional to 16,440.24, 22,688.37 and 9,729.72

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Solution

The fourth proportional to 16,440.24, 22,688.37 and 9,729.72 is: 13,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.24 : 22,688.37 = 9,729.72 : x
  2. Step 2: Convert to fraction form
    16,440.24/22,688.37 = 9,729.72/x
  3. Step 3: Cross multiply
    16,440.24x = 22,688.37 × 9,729.72
  4. Step 4: Simplify right side
    16,440.24x = 220,751,487.36
  5. Step 5: Solve for x
    x = 220,751,487.36/16,440.24
  6. Step 6: Final answer
    x = 13,427.51

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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.