Home / 15,135.86-22,689.21-8,110.73

Finding the Fourth Proportional to 15,135.86, 22,689.21 and 8,110.73

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Solution

The fourth proportional to 15,135.86, 22,689.21 and 8,110.73 is: 12,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.86 : 22,689.21 = 8,110.73 : x
  2. Step 2: Convert to fraction form
    15,135.86/22,689.21 = 8,110.73/x
  3. Step 3: Cross multiply
    15,135.86x = 22,689.21 × 8,110.73
  4. Step 4: Simplify right side
    15,135.86x = 184,026,056.22
  5. Step 5: Solve for x
    x = 184,026,056.22/15,135.86
  6. Step 6: Final answer
    x = 12,158.28

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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.