Home / 15,168.06-20,930.94-8,793.63

Finding the Fourth Proportional to 15,168.06, 20,930.94 and 8,793.63

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Solution

The fourth proportional to 15,168.06, 20,930.94 and 8,793.63 is: 12,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.06 : 20,930.94 = 8,793.63 : x
  2. Step 2: Convert to fraction form
    15,168.06/20,930.94 = 8,793.63/x
  3. Step 3: Cross multiply
    15,168.06x = 20,930.94 × 8,793.63
  4. Step 4: Simplify right side
    15,168.06x = 184,058,941.91
  5. Step 5: Solve for x
    x = 184,058,941.91/15,168.06
  6. Step 6: Final answer
    x = 12,134.64

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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.