Home / 15,184.61-20,951.38-8,812.27

Finding the Fourth Proportional to 15,184.61, 20,951.38 and 8,812.27

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Solution

The fourth proportional to 15,184.61, 20,951.38 and 8,812.27 is: 12,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.61 : 20,951.38 = 8,812.27 : x
  2. Step 2: Convert to fraction form
    15,184.61/20,951.38 = 8,812.27/x
  3. Step 3: Cross multiply
    15,184.61x = 20,951.38 × 8,812.27
  4. Step 4: Simplify right side
    15,184.61x = 184,629,173.37
  5. Step 5: Solve for x
    x = 184,629,173.37/15,184.61
  6. Step 6: Final answer
    x = 12,158.97

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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.