Home / 13,754.64-20,628.07-4,267.84

Finding the Fourth Proportional to 13,754.64, 20,628.07 and 4,267.84

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Solution

The fourth proportional to 13,754.64, 20,628.07 and 4,267.84 is: 6,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.64 : 20,628.07 = 4,267.84 : x
  2. Step 2: Convert to fraction form
    13,754.64/20,628.07 = 4,267.84/x
  3. Step 3: Cross multiply
    13,754.64x = 20,628.07 × 4,267.84
  4. Step 4: Simplify right side
    13,754.64x = 88,037,302.27
  5. Step 5: Solve for x
    x = 88,037,302.27/13,754.64
  6. Step 6: Final answer
    x = 6,400.55

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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.