Home / 11,239.63-16,860.25-4,314.13

Finding the Fourth Proportional to 11,239.63, 16,860.25 and 4,314.13

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Solution

The fourth proportional to 11,239.63, 16,860.25 and 4,314.13 is: 6,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.63 : 16,860.25 = 4,314.13 : x
  2. Step 2: Convert to fraction form
    11,239.63/16,860.25 = 4,314.13/x
  3. Step 3: Cross multiply
    11,239.63x = 16,860.25 × 4,314.13
  4. Step 4: Simplify right side
    11,239.63x = 72,737,310.33
  5. Step 5: Solve for x
    x = 72,737,310.33/11,239.63
  6. Step 6: Final answer
    x = 6,471.50

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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.