Home / 18,967.67-28,460.16-7,876.85

Finding the Fourth Proportional to 18,967.67, 28,460.16 and 7,876.85

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Solution

The fourth proportional to 18,967.67, 28,460.16 and 7,876.85 is: 11,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.67 : 28,460.16 = 7,876.85 : x
  2. Step 2: Convert to fraction form
    18,967.67/28,460.16 = 7,876.85/x
  3. Step 3: Cross multiply
    18,967.67x = 28,460.16 × 7,876.85
  4. Step 4: Simplify right side
    18,967.67x = 224,176,269.00
  5. Step 5: Solve for x
    x = 224,176,269.00/18,967.67
  6. Step 6: Final answer
    x = 11,818.86

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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.