Home / 13,568.60-18,692.70-12,752.12

Finding the Fourth Proportional to 13,568.60, 18,692.70 and 12,752.12

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Solution

The fourth proportional to 13,568.60, 18,692.70 and 12,752.12 is: 17,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.60 : 18,692.70 = 12,752.12 : x
  2. Step 2: Convert to fraction form
    13,568.60/18,692.70 = 12,752.12/x
  3. Step 3: Cross multiply
    13,568.60x = 18,692.70 × 12,752.12
  4. Step 4: Simplify right side
    13,568.60x = 238,371,553.52
  5. Step 5: Solve for x
    x = 238,371,553.52/13,568.60
  6. Step 6: Final answer
    x = 17,567.88

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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.