Home / 15,192.78-22,791.60-6,427.77

Finding the Fourth Proportional to 15,192.78, 22,791.60 and 6,427.77

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Solution

The fourth proportional to 15,192.78, 22,791.60 and 6,427.77 is: 9,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.78 : 22,791.60 = 6,427.77 : x
  2. Step 2: Convert to fraction form
    15,192.78/22,791.60 = 6,427.77/x
  3. Step 3: Cross multiply
    15,192.78x = 22,791.60 × 6,427.77
  4. Step 4: Simplify right side
    15,192.78x = 146,499,077.26
  5. Step 5: Solve for x
    x = 146,499,077.26/15,192.78
  6. Step 6: Final answer
    x = 9,642.68

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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.