Home / 12,027.77-18,041.79-3,707.72

Finding the Fourth Proportional to 12,027.77, 18,041.79 and 3,707.72

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Solution

The fourth proportional to 12,027.77, 18,041.79 and 3,707.72 is: 5,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.77 : 18,041.79 = 3,707.72 : x
  2. Step 2: Convert to fraction form
    12,027.77/18,041.79 = 3,707.72/x
  3. Step 3: Cross multiply
    12,027.77x = 18,041.79 × 3,707.72
  4. Step 4: Simplify right side
    12,027.77x = 66,893,815.41
  5. Step 5: Solve for x
    x = 66,893,815.41/12,027.77
  6. Step 6: Final answer
    x = 5,561.62

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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.