Home / 13,627.56-20,440.50-4,267.32

Finding the Fourth Proportional to 13,627.56, 20,440.50 and 4,267.32

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Solution

The fourth proportional to 13,627.56, 20,440.50 and 4,267.32 is: 6,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.56 : 20,440.50 = 4,267.32 : x
  2. Step 2: Convert to fraction form
    13,627.56/20,440.50 = 4,267.32/x
  3. Step 3: Cross multiply
    13,627.56x = 20,440.50 × 4,267.32
  4. Step 4: Simplify right side
    13,627.56x = 87,226,154.46
  5. Step 5: Solve for x
    x = 87,226,154.46/13,627.56
  6. Step 6: Final answer
    x = 6,400.72

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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.