Home / 21,060.54-31,590.36-6,269.67

Finding the Fourth Proportional to 21,060.54, 31,590.36 and 6,269.67

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Solution

The fourth proportional to 21,060.54, 31,590.36 and 6,269.67 is: 9,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.54 : 31,590.36 = 6,269.67 : x
  2. Step 2: Convert to fraction form
    21,060.54/31,590.36 = 6,269.67/x
  3. Step 3: Cross multiply
    21,060.54x = 31,590.36 × 6,269.67
  4. Step 4: Simplify right side
    21,060.54x = 198,061,132.38
  5. Step 5: Solve for x
    x = 198,061,132.38/21,060.54
  6. Step 6: Final answer
    x = 9,404.37

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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.