Home / 14,504.04-20,016.99-8,131.72

Finding the Fourth Proportional to 14,504.04, 20,016.99 and 8,131.72

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Solution

The fourth proportional to 14,504.04, 20,016.99 and 8,131.72 is: 11,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.04 : 20,016.99 = 8,131.72 : x
  2. Step 2: Convert to fraction form
    14,504.04/20,016.99 = 8,131.72/x
  3. Step 3: Cross multiply
    14,504.04x = 20,016.99 × 8,131.72
  4. Step 4: Simplify right side
    14,504.04x = 162,772,557.92
  5. Step 5: Solve for x
    x = 162,772,557.92/14,504.04
  6. Step 6: Final answer
    x = 11,222.57

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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.