Home / 14,419.20-19,907.67-11,772.90

Finding the Fourth Proportional to 14,419.20, 19,907.67 and 11,772.90

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Solution

The fourth proportional to 14,419.20, 19,907.67 and 11,772.90 is: 16,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.20 : 19,907.67 = 11,772.90 : x
  2. Step 2: Convert to fraction form
    14,419.20/19,907.67 = 11,772.90/x
  3. Step 3: Cross multiply
    14,419.20x = 19,907.67 × 11,772.90
  4. Step 4: Simplify right side
    14,419.20x = 234,371,008.14
  5. Step 5: Solve for x
    x = 234,371,008.14/14,419.20
  6. Step 6: Final answer
    x = 16,254.09

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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.