Home / 15,765.86-23,649.60-4,079.18

Finding the Fourth Proportional to 15,765.86, 23,649.60 and 4,079.18

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Solution

The fourth proportional to 15,765.86, 23,649.60 and 4,079.18 is: 6,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.86 : 23,649.60 = 4,079.18 : x
  2. Step 2: Convert to fraction form
    15,765.86/23,649.60 = 4,079.18/x
  3. Step 3: Cross multiply
    15,765.86x = 23,649.60 × 4,079.18
  4. Step 4: Simplify right side
    15,765.86x = 96,470,975.33
  5. Step 5: Solve for x
    x = 96,470,975.33/15,765.86
  6. Step 6: Final answer
    x = 6,118.98

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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.