Home / 20,234.15-30,339.47-6,190.16

Finding the Fourth Proportional to 20,234.15, 30,339.47 and 6,190.16

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Solution

The fourth proportional to 20,234.15, 30,339.47 and 6,190.16 is: 9,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.15 : 30,339.47 = 6,190.16 : x
  2. Step 2: Convert to fraction form
    20,234.15/30,339.47 = 6,190.16/x
  3. Step 3: Cross multiply
    20,234.15x = 30,339.47 × 6,190.16
  4. Step 4: Simplify right side
    20,234.15x = 187,806,264.94
  5. Step 5: Solve for x
    x = 187,806,264.94/20,234.15
  6. Step 6: Final answer
    x = 9,281.65

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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.