Home / 17,918.24-26,888.13-6,239.66

Finding the Fourth Proportional to 17,918.24, 26,888.13 and 6,239.66

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Solution

The fourth proportional to 17,918.24, 26,888.13 and 6,239.66 is: 9,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.24 : 26,888.13 = 6,239.66 : x
  2. Step 2: Convert to fraction form
    17,918.24/26,888.13 = 6,239.66/x
  3. Step 3: Cross multiply
    17,918.24x = 26,888.13 × 6,239.66
  4. Step 4: Simplify right side
    17,918.24x = 167,772,654.80
  5. Step 5: Solve for x
    x = 167,772,654.80/17,918.24
  6. Step 6: Final answer
    x = 9,363.24

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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.