Home / 22,329.66-30,814.95-13,382.35

Finding the Fourth Proportional to 22,329.66, 30,814.95 and 13,382.35

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Solution

The fourth proportional to 22,329.66, 30,814.95 and 13,382.35 is: 18,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.66 : 30,814.95 = 13,382.35 : x
  2. Step 2: Convert to fraction form
    22,329.66/30,814.95 = 13,382.35/x
  3. Step 3: Cross multiply
    22,329.66x = 30,814.95 × 13,382.35
  4. Step 4: Simplify right side
    22,329.66x = 412,376,446.13
  5. Step 5: Solve for x
    x = 412,376,446.13/22,329.66
  6. Step 6: Final answer
    x = 18,467.65

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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.