Home / 13,751.61-18,950.00-9,761.55

Finding the Fourth Proportional to 13,751.61, 18,950.00 and 9,761.55

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Solution

The fourth proportional to 13,751.61, 18,950.00 and 9,761.55 is: 13,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.61 : 18,950.00 = 9,761.55 : x
  2. Step 2: Convert to fraction form
    13,751.61/18,950.00 = 9,761.55/x
  3. Step 3: Cross multiply
    13,751.61x = 18,950.00 × 9,761.55
  4. Step 4: Simplify right side
    13,751.61x = 184,981,307.54
  5. Step 5: Solve for x
    x = 184,981,307.54/13,751.61
  6. Step 6: Final answer
    x = 13,451.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.