Home / 11,191.42-15,444.54-6,155.85

Finding the Fourth Proportional to 11,191.42, 15,444.54 and 6,155.85

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Solution

The fourth proportional to 11,191.42, 15,444.54 and 6,155.85 is: 8,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.42 : 15,444.54 = 6,155.85 : x
  2. Step 2: Convert to fraction form
    11,191.42/15,444.54 = 6,155.85/x
  3. Step 3: Cross multiply
    11,191.42x = 15,444.54 × 6,155.85
  4. Step 4: Simplify right side
    11,191.42x = 95,074,271.56
  5. Step 5: Solve for x
    x = 95,074,271.56/11,191.42
  6. Step 6: Final answer
    x = 8,495.28

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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.