Home / 10,911.52-15,058.11-6,195.79

Finding the Fourth Proportional to 10,911.52, 15,058.11 and 6,195.79

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Solution

The fourth proportional to 10,911.52, 15,058.11 and 6,195.79 is: 8,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.52 : 15,058.11 = 6,195.79 : x
  2. Step 2: Convert to fraction form
    10,911.52/15,058.11 = 6,195.79/x
  3. Step 3: Cross multiply
    10,911.52x = 15,058.11 × 6,195.79
  4. Step 4: Simplify right side
    10,911.52x = 93,296,887.36
  5. Step 5: Solve for x
    x = 93,296,887.36/10,911.52
  6. Step 6: Final answer
    x = 8,550.31

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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.