Home / 13,537.80-20,306.70-9,822.60

Finding the Fourth Proportional to 13,537.80, 20,306.70 and 9,822.60

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Solution

The fourth proportional to 13,537.80, 20,306.70 and 9,822.60 is: 14,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.80 : 20,306.70 = 9,822.60 : x
  2. Step 2: Convert to fraction form
    13,537.80/20,306.70 = 9,822.60/x
  3. Step 3: Cross multiply
    13,537.80x = 20,306.70 × 9,822.60
  4. Step 4: Simplify right side
    13,537.80x = 199,464,591.42
  5. Step 5: Solve for x
    x = 199,464,591.42/13,537.80
  6. Step 6: Final answer
    x = 14,733.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.