Home / 16,601.12-22,907.68-9,885.80

Finding the Fourth Proportional to 16,601.12, 22,907.68 and 9,885.80

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Solution

The fourth proportional to 16,601.12, 22,907.68 and 9,885.80 is: 13,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.12 : 22,907.68 = 9,885.80 : x
  2. Step 2: Convert to fraction form
    16,601.12/22,907.68 = 9,885.80/x
  3. Step 3: Cross multiply
    16,601.12x = 22,907.68 × 9,885.80
  4. Step 4: Simplify right side
    16,601.12x = 226,460,742.94
  5. Step 5: Solve for x
    x = 226,460,742.94/16,601.12
  6. Step 6: Final answer
    x = 13,641.29

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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.