Home / 14,495.15-20,002.14-8,121.24

Finding the Fourth Proportional to 14,495.15, 20,002.14 and 8,121.24

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Solution

The fourth proportional to 14,495.15, 20,002.14 and 8,121.24 is: 11,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.15 : 20,002.14 = 8,121.24 : x
  2. Step 2: Convert to fraction form
    14,495.15/20,002.14 = 8,121.24/x
  3. Step 3: Cross multiply
    14,495.15x = 20,002.14 × 8,121.24
  4. Step 4: Simplify right side
    14,495.15x = 162,442,179.45
  5. Step 5: Solve for x
    x = 162,442,179.45/14,495.15
  6. Step 6: Final answer
    x = 11,206.66

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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.