Home / 11,191.50-15,444.54-6,155.64

Finding the Fourth Proportional to 11,191.50, 15,444.54 and 6,155.64

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Solution

The fourth proportional to 11,191.50, 15,444.54 and 6,155.64 is: 8,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.50 : 15,444.54 = 6,155.64 : x
  2. Step 2: Convert to fraction form
    11,191.50/15,444.54 = 6,155.64/x
  3. Step 3: Cross multiply
    11,191.50x = 15,444.54 × 6,155.64
  4. Step 4: Simplify right side
    11,191.50x = 95,071,028.21
  5. Step 5: Solve for x
    x = 95,071,028.21/11,191.50
  6. Step 6: Final answer
    x = 8,494.93

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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.