Home / 14,137.73-21,179.40-7,109.46

Finding the Fourth Proportional to 14,137.73, 21,179.40 and 7,109.46

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Solution

The fourth proportional to 14,137.73, 21,179.40 and 7,109.46 is: 10,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.73 : 21,179.40 = 7,109.46 : x
  2. Step 2: Convert to fraction form
    14,137.73/21,179.40 = 7,109.46/x
  3. Step 3: Cross multiply
    14,137.73x = 21,179.40 × 7,109.46
  4. Step 4: Simplify right side
    14,137.73x = 150,574,097.12
  5. Step 5: Solve for x
    x = 150,574,097.12/14,137.73
  6. Step 6: Final answer
    x = 10,650.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.