Home / 10,911.95-15,058.51-6,196.23

Finding the Fourth Proportional to 10,911.95, 15,058.51 and 6,196.23

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Solution

The fourth proportional to 10,911.95, 15,058.51 and 6,196.23 is: 8,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.95 : 15,058.51 = 6,196.23 : x
  2. Step 2: Convert to fraction form
    10,911.95/15,058.51 = 6,196.23/x
  3. Step 3: Cross multiply
    10,911.95x = 15,058.51 × 6,196.23
  4. Step 4: Simplify right side
    10,911.95x = 93,305,991.42
  5. Step 5: Solve for x
    x = 93,305,991.42/10,911.95
  6. Step 6: Final answer
    x = 8,550.81

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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.