Home / 12,791.52-19,199.16-6,555.99

Finding the Fourth Proportional to 12,791.52, 19,199.16 and 6,555.99

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Solution

The fourth proportional to 12,791.52, 19,199.16 and 6,555.99 is: 9,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.52 : 19,199.16 = 6,555.99 : x
  2. Step 2: Convert to fraction form
    12,791.52/19,199.16 = 6,555.99/x
  3. Step 3: Cross multiply
    12,791.52x = 19,199.16 × 6,555.99
  4. Step 4: Simplify right side
    12,791.52x = 125,869,500.97
  5. Step 5: Solve for x
    x = 125,869,500.97/12,791.52
  6. Step 6: Final answer
    x = 9,840.07

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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.