Home / 13,355.93-20,033.67-5,456.71

Finding the Fourth Proportional to 13,355.93, 20,033.67 and 5,456.71

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Solution

The fourth proportional to 13,355.93, 20,033.67 and 5,456.71 is: 8,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.93 : 20,033.67 = 5,456.71 : x
  2. Step 2: Convert to fraction form
    13,355.93/20,033.67 = 5,456.71/x
  3. Step 3: Cross multiply
    13,355.93x = 20,033.67 × 5,456.71
  4. Step 4: Simplify right side
    13,355.93x = 109,317,927.43
  5. Step 5: Solve for x
    x = 109,317,927.43/13,355.93
  6. Step 6: Final answer
    x = 8,184.97

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1.5x scale

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.