Home / 17,703.67-26,549.31-5,220.38

Finding the Fourth Proportional to 17,703.67, 26,549.31 and 5,220.38

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Solution

The fourth proportional to 17,703.67, 26,549.31 and 5,220.38 is: 7,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.67 : 26,549.31 = 5,220.38 : x
  2. Step 2: Convert to fraction form
    17,703.67/26,549.31 = 5,220.38/x
  3. Step 3: Cross multiply
    17,703.67x = 26,549.31 × 5,220.38
  4. Step 4: Simplify right side
    17,703.67x = 138,597,486.94
  5. Step 5: Solve for x
    x = 138,597,486.94/17,703.67
  6. Step 6: Final answer
    x = 7,828.74

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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.