Home / 15,190.81-22,791.45-6,310.91

Finding the Fourth Proportional to 15,190.81, 22,791.45 and 6,310.91

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Solution

The fourth proportional to 15,190.81, 22,791.45 and 6,310.91 is: 9,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.81 : 22,791.45 = 6,310.91 : x
  2. Step 2: Convert to fraction form
    15,190.81/22,791.45 = 6,310.91/x
  3. Step 3: Cross multiply
    15,190.81x = 22,791.45 × 6,310.91
  4. Step 4: Simplify right side
    15,190.81x = 143,834,675.76
  5. Step 5: Solve for x
    x = 143,834,675.76/15,190.81
  6. Step 6: Final answer
    x = 9,468.54

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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.