Home / 12,006.28-18,010.32-5,767.68

Finding the Fourth Proportional to 12,006.28, 18,010.32 and 5,767.68

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Solution

The fourth proportional to 12,006.28, 18,010.32 and 5,767.68 is: 8,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.28 : 18,010.32 = 5,767.68 : x
  2. Step 2: Convert to fraction form
    12,006.28/18,010.32 = 5,767.68/x
  3. Step 3: Cross multiply
    12,006.28x = 18,010.32 × 5,767.68
  4. Step 4: Simplify right side
    12,006.28x = 103,877,762.46
  5. Step 5: Solve for x
    x = 103,877,762.46/12,006.28
  6. Step 6: Final answer
    x = 8,651.95

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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.