Home / 11,130.97-15,360.74-6,162.97

Finding the Fourth Proportional to 11,130.97, 15,360.74 and 6,162.97

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Solution

The fourth proportional to 11,130.97, 15,360.74 and 6,162.97 is: 8,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.97 : 15,360.74 = 6,162.97 : x
  2. Step 2: Convert to fraction form
    11,130.97/15,360.74 = 6,162.97/x
  3. Step 3: Cross multiply
    11,130.97x = 15,360.74 × 6,162.97
  4. Step 4: Simplify right side
    11,130.97x = 94,667,748.98
  5. Step 5: Solve for x
    x = 94,667,748.98/11,130.97
  6. Step 6: Final answer
    x = 8,504.90

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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.