Home / 14,238.35-21,349.53-5,912.77

Finding the Fourth Proportional to 14,238.35, 21,349.53 and 5,912.77

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Solution

The fourth proportional to 14,238.35, 21,349.53 and 5,912.77 is: 8,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.35 : 21,349.53 = 5,912.77 : x
  2. Step 2: Convert to fraction form
    14,238.35/21,349.53 = 5,912.77/x
  3. Step 3: Cross multiply
    14,238.35x = 21,349.53 × 5,912.77
  4. Step 4: Simplify right side
    14,238.35x = 126,234,807.12
  5. Step 5: Solve for x
    x = 126,234,807.12/14,238.35
  6. Step 6: Final answer
    x = 8,865.83

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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.