Home / 14,428.68-19,907.04-11,394.24

Finding the Fourth Proportional to 14,428.68, 19,907.04 and 11,394.24

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Solution

The fourth proportional to 14,428.68, 19,907.04 and 11,394.24 is: 15,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.68 : 19,907.04 = 11,394.24 : x
  2. Step 2: Convert to fraction form
    14,428.68/19,907.04 = 11,394.24/x
  3. Step 3: Cross multiply
    14,428.68x = 19,907.04 × 11,394.24
  4. Step 4: Simplify right side
    14,428.68x = 226,825,591.45
  5. Step 5: Solve for x
    x = 226,825,591.45/14,428.68
  6. Step 6: Final answer
    x = 15,720.47

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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.