Home / 11,329.49-16,981.47-5,767.22

Finding the Fourth Proportional to 11,329.49, 16,981.47 and 5,767.22

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Solution

The fourth proportional to 11,329.49, 16,981.47 and 5,767.22 is: 8,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.49 : 16,981.47 = 5,767.22 : x
  2. Step 2: Convert to fraction form
    11,329.49/16,981.47 = 5,767.22/x
  3. Step 3: Cross multiply
    11,329.49x = 16,981.47 × 5,767.22
  4. Step 4: Simplify right side
    11,329.49x = 97,935,788.51
  5. Step 5: Solve for x
    x = 97,935,788.51/11,329.49
  6. Step 6: Final answer
    x = 8,644.33

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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.