Home / 14,706.07-20,294.50-7,991.70

Finding the Fourth Proportional to 14,706.07, 20,294.50 and 7,991.70

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Solution

The fourth proportional to 14,706.07, 20,294.50 and 7,991.70 is: 11,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706.07 : 20,294.50 = 7,991.70 : x
  2. Step 2: Convert to fraction form
    14,706.07/20,294.50 = 7,991.70/x
  3. Step 3: Cross multiply
    14,706.07x = 20,294.50 × 7,991.70
  4. Step 4: Simplify right side
    14,706.07x = 162,187,515.69
  5. Step 5: Solve for x
    x = 162,187,515.69/14,706.07
  6. Step 6: Final answer
    x = 11,028.61

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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.