Home / 15,600.65-23,379.10-8,190.13

Finding the Fourth Proportional to 15,600.65, 23,379.10 and 8,190.13

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Solution

The fourth proportional to 15,600.65, 23,379.10 and 8,190.13 is: 12,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.65 : 23,379.10 = 8,190.13 : x
  2. Step 2: Convert to fraction form
    15,600.65/23,379.10 = 8,190.13/x
  3. Step 3: Cross multiply
    15,600.65x = 23,379.10 × 8,190.13
  4. Step 4: Simplify right side
    15,600.65x = 191,477,827.33
  5. Step 5: Solve for x
    x = 191,477,827.33/15,600.65
  6. Step 6: Final answer
    x = 12,273.71

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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.