Home / 13,583.68-20,320.98-11,754.70

Finding the Fourth Proportional to 13,583.68, 20,320.98 and 11,754.70

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Solution

The fourth proportional to 13,583.68, 20,320.98 and 11,754.70 is: 17,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.68 : 20,320.98 = 11,754.70 : x
  2. Step 2: Convert to fraction form
    13,583.68/20,320.98 = 11,754.70/x
  3. Step 3: Cross multiply
    13,583.68x = 20,320.98 × 11,754.70
  4. Step 4: Simplify right side
    13,583.68x = 238,867,023.61
  5. Step 5: Solve for x
    x = 238,867,023.61/13,583.68
  6. Step 6: Final answer
    x = 17,584.85

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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.