Home / 13,569.45-20,357.08-4,209.26

Finding the Fourth Proportional to 13,569.45, 20,357.08 and 4,209.26

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Solution

The fourth proportional to 13,569.45, 20,357.08 and 4,209.26 is: 6,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.45 : 20,357.08 = 4,209.26 : x
  2. Step 2: Convert to fraction form
    13,569.45/20,357.08 = 4,209.26/x
  3. Step 3: Cross multiply
    13,569.45x = 20,357.08 × 4,209.26
  4. Step 4: Simplify right side
    13,569.45x = 85,688,282.93
  5. Step 5: Solve for x
    x = 85,688,282.93/13,569.45
  6. Step 6: Final answer
    x = 6,314.79

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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.