Home / 15,166.08-20,928.24-8,793

Finding the Fourth Proportional to 15,166.08, 20,928.24 and 8,793

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Solution

The fourth proportional to 15,166.08, 20,928.24 and 8,793 is: 12,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.08 : 20,928.24 = 8,793 : x
  2. Step 2: Convert to fraction form
    15,166.08/20,928.24 = 8,793/x
  3. Step 3: Cross multiply
    15,166.08x = 20,928.24 × 8,793
  4. Step 4: Simplify right side
    15,166.08x = 184,022,014.32
  5. Step 5: Solve for x
    x = 184,022,014.32/15,166.08
  6. Step 6: Final answer
    x = 12,133.79

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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.