Home / 8,949.07-13,396.87-7,381.72

Finding the Fourth Proportional to 8,949.07, 13,396.87 and 7,381.72

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Solution

The fourth proportional to 8,949.07, 13,396.87 and 7,381.72 is: 11,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.07 : 13,396.87 = 7,381.72 : x
  2. Step 2: Convert to fraction form
    8,949.07/13,396.87 = 7,381.72/x
  3. Step 3: Cross multiply
    8,949.07x = 13,396.87 × 7,381.72
  4. Step 4: Simplify right side
    8,949.07x = 98,891,943.22
  5. Step 5: Solve for x
    x = 98,891,943.22/8,949.07
  6. Step 6: Final answer
    x = 11,050.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.