Home / 17,950.48-26,931.21-9,191.59

Finding the Fourth Proportional to 17,950.48, 26,931.21 and 9,191.59

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Solution

The fourth proportional to 17,950.48, 26,931.21 and 9,191.59 is: 13,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.48 : 26,931.21 = 9,191.59 : x
  2. Step 2: Convert to fraction form
    17,950.48/26,931.21 = 9,191.59/x
  3. Step 3: Cross multiply
    17,950.48x = 26,931.21 × 9,191.59
  4. Step 4: Simplify right side
    17,950.48x = 247,540,640.52
  5. Step 5: Solve for x
    x = 247,540,640.52/17,950.48
  6. Step 6: Final answer
    x = 13,790.20

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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.