Home / 9,816.84-13,550.13-5,989.86

Finding the Fourth Proportional to 9,816.84, 13,550.13 and 5,989.86

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Solution

The fourth proportional to 9,816.84, 13,550.13 and 5,989.86 is: 8,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.84 : 13,550.13 = 5,989.86 : x
  2. Step 2: Convert to fraction form
    9,816.84/13,550.13 = 5,989.86/x
  3. Step 3: Cross multiply
    9,816.84x = 13,550.13 × 5,989.86
  4. Step 4: Simplify right side
    9,816.84x = 81,163,381.68
  5. Step 5: Solve for x
    x = 81,163,381.68/9,816.84
  6. Step 6: Final answer
    x = 8,267.77

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Similar ratio
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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.