Home / 13,557.30-20,332.62-3,696.63

Finding the Fourth Proportional to 13,557.30, 20,332.62 and 3,696.63

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Solution

The fourth proportional to 13,557.30, 20,332.62 and 3,696.63 is: 5,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.30 : 20,332.62 = 3,696.63 : x
  2. Step 2: Convert to fraction form
    13,557.30/20,332.62 = 3,696.63/x
  3. Step 3: Cross multiply
    13,557.30x = 20,332.62 × 3,696.63
  4. Step 4: Simplify right side
    13,557.30x = 75,162,173.07
  5. Step 5: Solve for x
    x = 75,162,173.07/13,557.30
  6. Step 6: Final answer
    x = 5,544.04

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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.