Home / 17,717.80-26,567.10-7,317.80

Finding the Fourth Proportional to 17,717.80, 26,567.10 and 7,317.80

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Solution

The fourth proportional to 17,717.80, 26,567.10 and 7,317.80 is: 10,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.80 : 26,567.10 = 7,317.80 : x
  2. Step 2: Convert to fraction form
    17,717.80/26,567.10 = 7,317.80/x
  3. Step 3: Cross multiply
    17,717.80x = 26,567.10 × 7,317.80
  4. Step 4: Simplify right side
    17,717.80x = 194,412,724.38
  5. Step 5: Solve for x
    x = 194,412,724.38/17,717.80
  6. Step 6: Final answer
    x = 10,972.74

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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.