Home / 9,981.26-13,772.87-6,205.04

Finding the Fourth Proportional to 9,981.26, 13,772.87 and 6,205.04

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Solution

The fourth proportional to 9,981.26, 13,772.87 and 6,205.04 is: 8,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.26 : 13,772.87 = 6,205.04 : x
  2. Step 2: Convert to fraction form
    9,981.26/13,772.87 = 6,205.04/x
  3. Step 3: Cross multiply
    9,981.26x = 13,772.87 × 6,205.04
  4. Step 4: Simplify right side
    9,981.26x = 85,461,209.26
  5. Step 5: Solve for x
    x = 85,461,209.26/9,981.26
  6. Step 6: Final answer
    x = 8,562.17

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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.