Home / 22,518.60-31,063.39-13,560.67

Finding the Fourth Proportional to 22,518.60, 31,063.39 and 13,560.67

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Solution

The fourth proportional to 22,518.60, 31,063.39 and 13,560.67 is: 18,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.60 : 31,063.39 = 13,560.67 : x
  2. Step 2: Convert to fraction form
    22,518.60/31,063.39 = 13,560.67/x
  3. Step 3: Cross multiply
    22,518.60x = 31,063.39 × 13,560.67
  4. Step 4: Simplify right side
    22,518.60x = 421,240,380.87
  5. Step 5: Solve for x
    x = 421,240,380.87/22,518.60
  6. Step 6: Final answer
    x = 18,706.33

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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.