Home / 13,412.34-20,125.79-5,626.62

Finding the Fourth Proportional to 13,412.34, 20,125.79 and 5,626.62

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Solution

The fourth proportional to 13,412.34, 20,125.79 and 5,626.62 is: 8,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.34 : 20,125.79 = 5,626.62 : x
  2. Step 2: Convert to fraction form
    13,412.34/20,125.79 = 5,626.62/x
  3. Step 3: Cross multiply
    13,412.34x = 20,125.79 × 5,626.62
  4. Step 4: Simplify right side
    13,412.34x = 113,240,071.90
  5. Step 5: Solve for x
    x = 113,240,071.90/13,412.34
  6. Step 6: Final answer
    x = 8,442.98

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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.