Home / 14,904.22-20,566.17-11,918.97

Finding the Fourth Proportional to 14,904.22, 20,566.17 and 11,918.97

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Solution

The fourth proportional to 14,904.22, 20,566.17 and 11,918.97 is: 16,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.22 : 20,566.17 = 11,918.97 : x
  2. Step 2: Convert to fraction form
    14,904.22/20,566.17 = 11,918.97/x
  3. Step 3: Cross multiply
    14,904.22x = 20,566.17 × 11,918.97
  4. Step 4: Simplify right side
    14,904.22x = 245,127,460.41
  5. Step 5: Solve for x
    x = 245,127,460.41/14,904.22
  6. Step 6: Final answer
    x = 16,446.85

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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.