Home / 11,147.48-16,723.41-4,127.55

Finding the Fourth Proportional to 11,147.48, 16,723.41 and 4,127.55

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Solution

The fourth proportional to 11,147.48, 16,723.41 and 4,127.55 is: 6,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.48 : 16,723.41 = 4,127.55 : x
  2. Step 2: Convert to fraction form
    11,147.48/16,723.41 = 4,127.55/x
  3. Step 3: Cross multiply
    11,147.48x = 16,723.41 × 4,127.55
  4. Step 4: Simplify right side
    11,147.48x = 69,026,710.95
  5. Step 5: Solve for x
    x = 69,026,710.95/11,147.48
  6. Step 6: Final answer
    x = 6,192.14

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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.