Home / 10,813.77-14,920.46-6,564.73

Finding the Fourth Proportional to 10,813.77, 14,920.46 and 6,564.73

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Solution

The fourth proportional to 10,813.77, 14,920.46 and 6,564.73 is: 9,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.77 : 14,920.46 = 6,564.73 : x
  2. Step 2: Convert to fraction form
    10,813.77/14,920.46 = 6,564.73/x
  3. Step 3: Cross multiply
    10,813.77x = 14,920.46 × 6,564.73
  4. Step 4: Simplify right side
    10,813.77x = 97,948,791.38
  5. Step 5: Solve for x
    x = 97,948,791.38/10,813.77
  6. Step 6: Final answer
    x = 9,057.78

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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.