Home / 13,573.71-20,346.55-5,680.82

Finding the Fourth Proportional to 13,573.71, 20,346.55 and 5,680.82

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Solution

The fourth proportional to 13,573.71, 20,346.55 and 5,680.82 is: 8,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.71 : 20,346.55 = 5,680.82 : x
  2. Step 2: Convert to fraction form
    13,573.71/20,346.55 = 5,680.82/x
  3. Step 3: Cross multiply
    13,573.71x = 20,346.55 × 5,680.82
  4. Step 4: Simplify right side
    13,573.71x = 115,585,124.84
  5. Step 5: Solve for x
    x = 115,585,124.84/13,573.71
  6. Step 6: Final answer
    x = 8,515.37

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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.