Home / 14,940.22-20,605.68-13,934.20

Finding the Fourth Proportional to 14,940.22, 20,605.68 and 13,934.20

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Solution

The fourth proportional to 14,940.22, 20,605.68 and 13,934.20 is: 19,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.22 : 20,605.68 = 13,934.20 : x
  2. Step 2: Convert to fraction form
    14,940.22/20,605.68 = 13,934.20/x
  3. Step 3: Cross multiply
    14,940.22x = 20,605.68 × 13,934.20
  4. Step 4: Simplify right side
    14,940.22x = 287,123,666.26
  5. Step 5: Solve for x
    x = 287,123,666.26/14,940.22
  6. Step 6: Final answer
    x = 19,218.17

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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.