Home / 13,445.49-20,166.61-3,585.56

Finding the Fourth Proportional to 13,445.49, 20,166.61 and 3,585.56

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Solution

The fourth proportional to 13,445.49, 20,166.61 and 3,585.56 is: 5,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.49 : 20,166.61 = 3,585.56 : x
  2. Step 2: Convert to fraction form
    13,445.49/20,166.61 = 3,585.56/x
  3. Step 3: Cross multiply
    13,445.49x = 20,166.61 × 3,585.56
  4. Step 4: Simplify right side
    13,445.49x = 72,308,590.15
  5. Step 5: Solve for x
    x = 72,308,590.15/13,445.49
  6. Step 6: Final answer
    x = 5,377.91

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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.