Home / 22,339.37-30,827.12-12,269.13

Finding the Fourth Proportional to 22,339.37, 30,827.12 and 12,269.13

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Solution

The fourth proportional to 22,339.37, 30,827.12 and 12,269.13 is: 16,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.37 : 30,827.12 = 12,269.13 : x
  2. Step 2: Convert to fraction form
    22,339.37/30,827.12 = 12,269.13/x
  3. Step 3: Cross multiply
    22,339.37x = 30,827.12 × 12,269.13
  4. Step 4: Simplify right side
    22,339.37x = 378,221,881.46
  5. Step 5: Solve for x
    x = 378,221,881.46/22,339.37
  6. Step 6: Final answer
    x = 16,930.74

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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.