Home / 16,872.12-23,288.48-9,801.72

Finding the Fourth Proportional to 16,872.12, 23,288.48 and 9,801.72

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Solution

The fourth proportional to 16,872.12, 23,288.48 and 9,801.72 is: 13,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.12 : 23,288.48 = 9,801.72 : x
  2. Step 2: Convert to fraction form
    16,872.12/23,288.48 = 9,801.72/x
  3. Step 3: Cross multiply
    16,872.12x = 23,288.48 × 9,801.72
  4. Step 4: Simplify right side
    16,872.12x = 228,267,160.19
  5. Step 5: Solve for x
    x = 228,267,160.19/16,872.12
  6. Step 6: Final answer
    x = 13,529.25

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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.