Home / 21,025.80-31,545.27-6,234.80

Finding the Fourth Proportional to 21,025.80, 31,545.27 and 6,234.80

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Solution

The fourth proportional to 21,025.80, 31,545.27 and 6,234.80 is: 9,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.80 : 31,545.27 = 6,234.80 : x
  2. Step 2: Convert to fraction form
    21,025.80/31,545.27 = 6,234.80/x
  3. Step 3: Cross multiply
    21,025.80x = 31,545.27 × 6,234.80
  4. Step 4: Simplify right side
    21,025.80x = 196,678,291.67
  5. Step 5: Solve for x
    x = 196,678,291.67/21,025.80
  6. Step 6: Final answer
    x = 9,354.14

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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.