Home / 13,764.14-20,639.91-4,402.34

Finding the Fourth Proportional to 13,764.14, 20,639.91 and 4,402.34

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Solution

The fourth proportional to 13,764.14, 20,639.91 and 4,402.34 is: 6,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.14 : 20,639.91 = 4,402.34 : x
  2. Step 2: Convert to fraction form
    13,764.14/20,639.91 = 4,402.34/x
  3. Step 3: Cross multiply
    13,764.14x = 20,639.91 × 4,402.34
  4. Step 4: Simplify right side
    13,764.14x = 90,863,901.39
  5. Step 5: Solve for x
    x = 90,863,901.39/13,764.14
  6. Step 6: Final answer
    x = 6,601.50

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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.