Home / 20,696.54-31,041.65-7,548.92

Finding the Fourth Proportional to 20,696.54, 31,041.65 and 7,548.92

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Solution

The fourth proportional to 20,696.54, 31,041.65 and 7,548.92 is: 11,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696.54 : 31,041.65 = 7,548.92 : x
  2. Step 2: Convert to fraction form
    20,696.54/31,041.65 = 7,548.92/x
  3. Step 3: Cross multiply
    20,696.54x = 31,041.65 × 7,548.92
  4. Step 4: Simplify right side
    20,696.54x = 234,330,739.57
  5. Step 5: Solve for x
    x = 234,330,739.57/20,696.54
  6. Step 6: Final answer
    x = 11,322.22

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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.