Home / 14,355.40-21,524.81-5,580.06

Finding the Fourth Proportional to 14,355.40, 21,524.81 and 5,580.06

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Solution

The fourth proportional to 14,355.40, 21,524.81 and 5,580.06 is: 8,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.40 : 21,524.81 = 5,580.06 : x
  2. Step 2: Convert to fraction form
    14,355.40/21,524.81 = 5,580.06/x
  3. Step 3: Cross multiply
    14,355.40x = 21,524.81 × 5,580.06
  4. Step 4: Simplify right side
    14,355.40x = 120,109,731.29
  5. Step 5: Solve for x
    x = 120,109,731.29/14,355.40
  6. Step 6: Final answer
    x = 8,366.87

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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.