Home / 13,895.74-20,847.50-5,581.59

Finding the Fourth Proportional to 13,895.74, 20,847.50 and 5,581.59

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Solution

The fourth proportional to 13,895.74, 20,847.50 and 5,581.59 is: 8,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.74 : 20,847.50 = 5,581.59 : x
  2. Step 2: Convert to fraction form
    13,895.74/20,847.50 = 5,581.59/x
  3. Step 3: Cross multiply
    13,895.74x = 20,847.50 × 5,581.59
  4. Step 4: Simplify right side
    13,895.74x = 116,362,197.53
  5. Step 5: Solve for x
    x = 116,362,197.53/13,895.74
  6. Step 6: Final answer
    x = 8,373.95

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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.