Home / 13,694.54-20,543.96-4,458.38

Finding the Fourth Proportional to 13,694.54, 20,543.96 and 4,458.38

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Solution

The fourth proportional to 13,694.54, 20,543.96 and 4,458.38 is: 6,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.54 : 20,543.96 = 4,458.38 : x
  2. Step 2: Convert to fraction form
    13,694.54/20,543.96 = 4,458.38/x
  3. Step 3: Cross multiply
    13,694.54x = 20,543.96 × 4,458.38
  4. Step 4: Simplify right side
    13,694.54x = 91,592,688.81
  5. Step 5: Solve for x
    x = 91,592,688.81/13,694.54
  6. Step 6: Final answer
    x = 6,688.27

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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.