Home / 14,515.09-20,030.82-8,227.46

Finding the Fourth Proportional to 14,515.09, 20,030.82 and 8,227.46

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Solution

The fourth proportional to 14,515.09, 20,030.82 and 8,227.46 is: 11,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.09 : 20,030.82 = 8,227.46 : x
  2. Step 2: Convert to fraction form
    14,515.09/20,030.82 = 8,227.46/x
  3. Step 3: Cross multiply
    14,515.09x = 20,030.82 × 8,227.46
  4. Step 4: Simplify right side
    14,515.09x = 164,802,770.32
  5. Step 5: Solve for x
    x = 164,802,770.32/14,515.09
  6. Step 6: Final answer
    x = 11,353.89

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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.