Home / 14,910.93-20,565.09-13,114.62

Finding the Fourth Proportional to 14,910.93, 20,565.09 and 13,114.62

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Solution

The fourth proportional to 14,910.93, 20,565.09 and 13,114.62 is: 18,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.93 : 20,565.09 = 13,114.62 : x
  2. Step 2: Convert to fraction form
    14,910.93/20,565.09 = 13,114.62/x
  3. Step 3: Cross multiply
    14,910.93x = 20,565.09 × 13,114.62
  4. Step 4: Simplify right side
    14,910.93x = 269,703,340.62
  5. Step 5: Solve for x
    x = 269,703,340.62/14,910.93
  6. Step 6: Final answer
    x = 18,087.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.