Home / 17,918.74-24,727.37-9,960.76

Finding the Fourth Proportional to 17,918.74, 24,727.37 and 9,960.76

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Solution

The fourth proportional to 17,918.74, 24,727.37 and 9,960.76 is: 13,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.74 : 24,727.37 = 9,960.76 : x
  2. Step 2: Convert to fraction form
    17,918.74/24,727.37 = 9,960.76/x
  3. Step 3: Cross multiply
    17,918.74x = 24,727.37 × 9,960.76
  4. Step 4: Simplify right side
    17,918.74x = 246,303,398.00
  5. Step 5: Solve for x
    x = 246,303,398.00/17,918.74
  6. Step 6: Final answer
    x = 13,745.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.