Home / 12,007.15-18,014.38-5,433.39

Finding the Fourth Proportional to 12,007.15, 18,014.38 and 5,433.39

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Solution

The fourth proportional to 12,007.15, 18,014.38 and 5,433.39 is: 8,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.15 : 18,014.38 = 5,433.39 : x
  2. Step 2: Convert to fraction form
    12,007.15/18,014.38 = 5,433.39/x
  3. Step 3: Cross multiply
    12,007.15x = 18,014.38 × 5,433.39
  4. Step 4: Simplify right side
    12,007.15x = 97,879,124.98
  5. Step 5: Solve for x
    x = 97,879,124.98/12,007.15
  6. Step 6: Final answer
    x = 8,151.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.