Home / 22,236.63-30,702.59-13,750.38

Finding the Fourth Proportional to 22,236.63, 30,702.59 and 13,750.38

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Solution

The fourth proportional to 22,236.63, 30,702.59 and 13,750.38 is: 18,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.63 : 30,702.59 = 13,750.38 : x
  2. Step 2: Convert to fraction form
    22,236.63/30,702.59 = 13,750.38/x
  3. Step 3: Cross multiply
    22,236.63x = 30,702.59 × 13,750.38
  4. Step 4: Simplify right side
    22,236.63x = 422,172,210.73
  5. Step 5: Solve for x
    x = 422,172,210.73/22,236.63
  6. Step 6: Final answer
    x = 18,985.44

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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.