Home / 8,976.84-13,456.62-5,681.76

Finding the Fourth Proportional to 8,976.84, 13,456.62 and 5,681.76

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Solution

The fourth proportional to 8,976.84, 13,456.62 and 5,681.76 is: 8,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.84 : 13,456.62 = 5,681.76 : x
  2. Step 2: Convert to fraction form
    8,976.84/13,456.62 = 5,681.76/x
  3. Step 3: Cross multiply
    8,976.84x = 13,456.62 × 5,681.76
  4. Step 4: Simplify right side
    8,976.84x = 76,457,285.25
  5. Step 5: Solve for x
    x = 76,457,285.25/8,976.84
  6. Step 6: Final answer
    x = 8,517.17

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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.