Home / 17,942.40-26,902.08-7,551.36

Finding the Fourth Proportional to 17,942.40, 26,902.08 and 7,551.36

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Solution

The fourth proportional to 17,942.40, 26,902.08 and 7,551.36 is: 11,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.40 : 26,902.08 = 7,551.36 : x
  2. Step 2: Convert to fraction form
    17,942.40/26,902.08 = 7,551.36/x
  3. Step 3: Cross multiply
    17,942.40x = 26,902.08 × 7,551.36
  4. Step 4: Simplify right side
    17,942.40x = 203,147,290.83
  5. Step 5: Solve for x
    x = 203,147,290.83/17,942.40
  6. Step 6: Final answer
    x = 11,322.19

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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.