Home / 18,795.81-28,193.69-7,702.52

Finding the Fourth Proportional to 18,795.81, 28,193.69 and 7,702.52

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Solution

The fourth proportional to 18,795.81, 28,193.69 and 7,702.52 is: 11,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.81 : 28,193.69 = 7,702.52 : x
  2. Step 2: Convert to fraction form
    18,795.81/28,193.69 = 7,702.52/x
  3. Step 3: Cross multiply
    18,795.81x = 28,193.69 × 7,702.52
  4. Step 4: Simplify right side
    18,795.81x = 217,162,281.62
  5. Step 5: Solve for x
    x = 217,162,281.62/18,795.81
  6. Step 6: Final answer
    x = 11,553.76

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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.