Home / 11,012.79-15,197.73-5,977.10

Finding the Fourth Proportional to 11,012.79, 15,197.73 and 5,977.10

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Solution

The fourth proportional to 11,012.79, 15,197.73 and 5,977.10 is: 8,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.79 : 15,197.73 = 5,977.10 : x
  2. Step 2: Convert to fraction form
    11,012.79/15,197.73 = 5,977.10/x
  3. Step 3: Cross multiply
    11,012.79x = 15,197.73 × 5,977.10
  4. Step 4: Simplify right side
    11,012.79x = 90,838,351.98
  5. Step 5: Solve for x
    x = 90,838,351.98/11,012.79
  6. Step 6: Final answer
    x = 8,248.44

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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.