Home / 15,091.37-22,659.27-8,440.90

Finding the Fourth Proportional to 15,091.37, 22,659.27 and 8,440.90

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Solution

The fourth proportional to 15,091.37, 22,659.27 and 8,440.90 is: 12,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.37 : 22,659.27 = 8,440.90 : x
  2. Step 2: Convert to fraction form
    15,091.37/22,659.27 = 8,440.90/x
  3. Step 3: Cross multiply
    15,091.37x = 22,659.27 × 8,440.90
  4. Step 4: Simplify right side
    15,091.37x = 191,264,518.85
  5. Step 5: Solve for x
    x = 191,264,518.85/15,091.37
  6. Step 6: Final answer
    x = 12,673.77

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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.