Home / 14,013.32-21,013.70-4,149.14

Finding the Fourth Proportional to 14,013.32, 21,013.70 and 4,149.14

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Solution

The fourth proportional to 14,013.32, 21,013.70 and 4,149.14 is: 6,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.32 : 21,013.70 = 4,149.14 : x
  2. Step 2: Convert to fraction form
    14,013.32/21,013.70 = 4,149.14/x
  3. Step 3: Cross multiply
    14,013.32x = 21,013.70 × 4,149.14
  4. Step 4: Simplify right side
    14,013.32x = 87,188,657.40
  5. Step 5: Solve for x
    x = 87,188,657.40/14,013.32
  6. Step 6: Final answer
    x = 6,221.84

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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.