Home / 13,569.62-20,351.72-3,706.55

Finding the Fourth Proportional to 13,569.62, 20,351.72 and 3,706.55

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Solution

The fourth proportional to 13,569.62, 20,351.72 and 3,706.55 is: 5,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.62 : 20,351.72 = 3,706.55 : x
  2. Step 2: Convert to fraction form
    13,569.62/20,351.72 = 3,706.55/x
  3. Step 3: Cross multiply
    13,569.62x = 20,351.72 × 3,706.55
  4. Step 4: Simplify right side
    13,569.62x = 75,434,547.47
  5. Step 5: Solve for x
    x = 75,434,547.47/13,569.62
  6. Step 6: Final answer
    x = 5,559.08

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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.