Home / 13,902.24-20,856.48-4,668

Finding the Fourth Proportional to 13,902.24, 20,856.48 and 4,668

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Solution

The fourth proportional to 13,902.24, 20,856.48 and 4,668 is: 7,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.24 : 20,856.48 = 4,668 : x
  2. Step 2: Convert to fraction form
    13,902.24/20,856.48 = 4,668/x
  3. Step 3: Cross multiply
    13,902.24x = 20,856.48 × 4,668
  4. Step 4: Simplify right side
    13,902.24x = 97,358,048.64
  5. Step 5: Solve for x
    x = 97,358,048.64/13,902.24
  6. Step 6: Final answer
    x = 7,003.05

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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.