Home / 15,108.41-20,847.24-8,393.81

Finding the Fourth Proportional to 15,108.41, 20,847.24 and 8,393.81

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Solution

The fourth proportional to 15,108.41, 20,847.24 and 8,393.81 is: 11,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.41 : 20,847.24 = 8,393.81 : x
  2. Step 2: Convert to fraction form
    15,108.41/20,847.24 = 8,393.81/x
  3. Step 3: Cross multiply
    15,108.41x = 20,847.24 × 8,393.81
  4. Step 4: Simplify right side
    15,108.41x = 174,987,705.23
  5. Step 5: Solve for x
    x = 174,987,705.23/15,108.41
  6. Step 6: Final answer
    x = 11,582.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.