Home / 14,988.97-20,534.69-14,428.09

Finding the Fourth Proportional to 14,988.97, 20,534.69 and 14,428.09

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Solution

The fourth proportional to 14,988.97, 20,534.69 and 14,428.09 is: 19,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.97 : 20,534.69 = 14,428.09 : x
  2. Step 2: Convert to fraction form
    14,988.97/20,534.69 = 14,428.09/x
  3. Step 3: Cross multiply
    14,988.97x = 20,534.69 × 14,428.09
  4. Step 4: Simplify right side
    14,988.97x = 296,276,355.44
  5. Step 5: Solve for x
    x = 296,276,355.44/14,988.97
  6. Step 6: Final answer
    x = 19,766.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.