Home / 12,296.86-18,439.85-3,529.74

Finding the Fourth Proportional to 12,296.86, 18,439.85 and 3,529.74

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Solution

The fourth proportional to 12,296.86, 18,439.85 and 3,529.74 is: 5,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.86 : 18,439.85 = 3,529.74 : x
  2. Step 2: Convert to fraction form
    12,296.86/18,439.85 = 3,529.74/x
  3. Step 3: Cross multiply
    12,296.86x = 18,439.85 × 3,529.74
  4. Step 4: Simplify right side
    12,296.86x = 65,087,876.14
  5. Step 5: Solve for x
    x = 65,087,876.14/12,296.86
  6. Step 6: Final answer
    x = 5,293.05

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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.