Home / 12,264.32-18,382.20-5,590.82

Finding the Fourth Proportional to 12,264.32, 18,382.20 and 5,590.82

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Solution

The fourth proportional to 12,264.32, 18,382.20 and 5,590.82 is: 8,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264.32 : 18,382.20 = 5,590.82 : x
  2. Step 2: Convert to fraction form
    12,264.32/18,382.20 = 5,590.82/x
  3. Step 3: Cross multiply
    12,264.32x = 18,382.20 × 5,590.82
  4. Step 4: Simplify right side
    12,264.32x = 102,771,571.40
  5. Step 5: Solve for x
    x = 102,771,571.40/12,264.32
  6. Step 6: Final answer
    x = 8,379.72

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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.