Home / 22,338.48-30,827.13-12,267.57

Finding the Fourth Proportional to 22,338.48, 30,827.13 and 12,267.57

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Solution

The fourth proportional to 22,338.48, 30,827.13 and 12,267.57 is: 16,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.48 : 30,827.13 = 12,267.57 : x
  2. Step 2: Convert to fraction form
    22,338.48/30,827.13 = 12,267.57/x
  3. Step 3: Cross multiply
    22,338.48x = 30,827.13 × 12,267.57
  4. Step 4: Simplify right side
    22,338.48x = 378,173,975.17
  5. Step 5: Solve for x
    x = 378,173,975.17/22,338.48
  6. Step 6: Final answer
    x = 16,929.26

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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.