Home / 13,371.72-20,061.60-4,011.84

Finding the Fourth Proportional to 13,371.72, 20,061.60 and 4,011.84

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Solution

The fourth proportional to 13,371.72, 20,061.60 and 4,011.84 is: 6,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.72 : 20,061.60 = 4,011.84 : x
  2. Step 2: Convert to fraction form
    13,371.72/20,061.60 = 4,011.84/x
  3. Step 3: Cross multiply
    13,371.72x = 20,061.60 × 4,011.84
  4. Step 4: Simplify right side
    13,371.72x = 80,483,929.34
  5. Step 5: Solve for x
    x = 80,483,929.34/13,371.72
  6. Step 6: Final answer
    x = 6,018.97

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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.