Home / 17,391.81-26,089.61-5,542.81

Finding the Fourth Proportional to 17,391.81, 26,089.61 and 5,542.81

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Solution

The fourth proportional to 17,391.81, 26,089.61 and 5,542.81 is: 8,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.81 : 26,089.61 = 5,542.81 : x
  2. Step 2: Convert to fraction form
    17,391.81/26,089.61 = 5,542.81/x
  3. Step 3: Cross multiply
    17,391.81x = 26,089.61 × 5,542.81
  4. Step 4: Simplify right side
    17,391.81x = 144,609,658.27
  5. Step 5: Solve for x
    x = 144,609,658.27/17,391.81
  6. Step 6: Final answer
    x = 8,314.81

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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.