Home / 16,816.80-23,205.12-9,741.76

Finding the Fourth Proportional to 16,816.80, 23,205.12 and 9,741.76

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Solution

The fourth proportional to 16,816.80, 23,205.12 and 9,741.76 is: 13,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.80 : 23,205.12 = 9,741.76 : x
  2. Step 2: Convert to fraction form
    16,816.80/23,205.12 = 9,741.76/x
  3. Step 3: Cross multiply
    16,816.80x = 23,205.12 × 9,741.76
  4. Step 4: Simplify right side
    16,816.80x = 226,058,709.81
  5. Step 5: Solve for x
    x = 226,058,709.81/16,816.80
  6. Step 6: Final answer
    x = 13,442.43

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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.