Home / 14,008.34-21,011.91-3,478.11

Finding the Fourth Proportional to 14,008.34, 21,011.91 and 3,478.11

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Solution

The fourth proportional to 14,008.34, 21,011.91 and 3,478.11 is: 5,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.34 : 21,011.91 = 3,478.11 : x
  2. Step 2: Convert to fraction form
    14,008.34/21,011.91 = 3,478.11/x
  3. Step 3: Cross multiply
    14,008.34x = 21,011.91 × 3,478.11
  4. Step 4: Simplify right side
    14,008.34x = 73,081,819.74
  5. Step 5: Solve for x
    x = 73,081,819.74/14,008.34
  6. Step 6: Final answer
    x = 5,217.02

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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.