Home / 14,018.34-21,027.78-3,630

Finding the Fourth Proportional to 14,018.34, 21,027.78 and 3,630

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Solution

The fourth proportional to 14,018.34, 21,027.78 and 3,630 is: 5,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.34 : 21,027.78 = 3,630 : x
  2. Step 2: Convert to fraction form
    14,018.34/21,027.78 = 3,630/x
  3. Step 3: Cross multiply
    14,018.34x = 21,027.78 × 3,630
  4. Step 4: Simplify right side
    14,018.34x = 76,330,841.40
  5. Step 5: Solve for x
    x = 76,330,841.40/14,018.34
  6. Step 6: Final answer
    x = 5,445.07

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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.