Home / 14,977.22-20,686.97-11,217.19

Finding the Fourth Proportional to 14,977.22, 20,686.97 and 11,217.19

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Solution

The fourth proportional to 14,977.22, 20,686.97 and 11,217.19 is: 15,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.22 : 20,686.97 = 11,217.19 : x
  2. Step 2: Convert to fraction form
    14,977.22/20,686.97 = 11,217.19/x
  3. Step 3: Cross multiply
    14,977.22x = 20,686.97 × 11,217.19
  4. Step 4: Simplify right side
    14,977.22x = 232,049,565.21
  5. Step 5: Solve for x
    x = 232,049,565.21/14,977.22
  6. Step 6: Final answer
    x = 15,493.50

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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.