Home / 11,012.82-15,197.70-5,977.04

Finding the Fourth Proportional to 11,012.82, 15,197.70 and 5,977.04

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Solution

The fourth proportional to 11,012.82, 15,197.70 and 5,977.04 is: 8,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.82 : 15,197.70 = 5,977.04 : x
  2. Step 2: Convert to fraction form
    11,012.82/15,197.70 = 5,977.04/x
  3. Step 3: Cross multiply
    11,012.82x = 15,197.70 × 5,977.04
  4. Step 4: Simplify right side
    11,012.82x = 90,837,260.81
  5. Step 5: Solve for x
    x = 90,837,260.81/11,012.82
  6. Step 6: Final answer
    x = 8,248.32

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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.