Home / 14,515.15-20,030.34-8,227.39

Finding the Fourth Proportional to 14,515.15, 20,030.34 and 8,227.39

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Solution

The fourth proportional to 14,515.15, 20,030.34 and 8,227.39 is: 11,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.15 : 20,030.34 = 8,227.39 : x
  2. Step 2: Convert to fraction form
    14,515.15/20,030.34 = 8,227.39/x
  3. Step 3: Cross multiply
    14,515.15x = 20,030.34 × 8,227.39
  4. Step 4: Simplify right side
    14,515.15x = 164,797,419.01
  5. Step 5: Solve for x
    x = 164,797,419.01/14,515.15
  6. Step 6: Final answer
    x = 11,353.48

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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.