Home / 11,191.29-15,444.38-6,155.90

Finding the Fourth Proportional to 11,191.29, 15,444.38 and 6,155.90

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Solution

The fourth proportional to 11,191.29, 15,444.38 and 6,155.90 is: 8,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.29 : 15,444.38 = 6,155.90 : x
  2. Step 2: Convert to fraction form
    11,191.29/15,444.38 = 6,155.90/x
  3. Step 3: Cross multiply
    11,191.29x = 15,444.38 × 6,155.90
  4. Step 4: Simplify right side
    11,191.29x = 95,074,058.84
  5. Step 5: Solve for x
    x = 95,074,058.84/11,191.29
  6. Step 6: Final answer
    x = 8,495.36

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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.