Home / 17,900.75-26,849.45-9,012.57

Finding the Fourth Proportional to 17,900.75, 26,849.45 and 9,012.57

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Solution

The fourth proportional to 17,900.75, 26,849.45 and 9,012.57 is: 13,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.75 : 26,849.45 = 9,012.57 : x
  2. Step 2: Convert to fraction form
    17,900.75/26,849.45 = 9,012.57/x
  3. Step 3: Cross multiply
    17,900.75x = 26,849.45 × 9,012.57
  4. Step 4: Simplify right side
    17,900.75x = 241,982,444.08
  5. Step 5: Solve for x
    x = 241,982,444.08/17,900.75
  6. Step 6: Final answer
    x = 13,518.01

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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.