Home / 14,919.04-20,586.68-8,630.24

Finding the Fourth Proportional to 14,919.04, 20,586.68 and 8,630.24

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Solution

The fourth proportional to 14,919.04, 20,586.68 and 8,630.24 is: 11,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.04 : 20,586.68 = 8,630.24 : x
  2. Step 2: Convert to fraction form
    14,919.04/20,586.68 = 8,630.24/x
  3. Step 3: Cross multiply
    14,919.04x = 20,586.68 × 8,630.24
  4. Step 4: Simplify right side
    14,919.04x = 177,667,989.20
  5. Step 5: Solve for x
    x = 177,667,989.20/14,919.04
  6. Step 6: Final answer
    x = 11,908.81

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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.