Home / 14,229.28-19,636.08-7,942.24

Finding the Fourth Proportional to 14,229.28, 19,636.08 and 7,942.24

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Solution

The fourth proportional to 14,229.28, 19,636.08 and 7,942.24 is: 10,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.28 : 19,636.08 = 7,942.24 : x
  2. Step 2: Convert to fraction form
    14,229.28/19,636.08 = 7,942.24/x
  3. Step 3: Cross multiply
    14,229.28x = 19,636.08 × 7,942.24
  4. Step 4: Simplify right side
    14,229.28x = 155,954,460.02
  5. Step 5: Solve for x
    x = 155,954,460.02/14,229.28
  6. Step 6: Final answer
    x = 10,960.11

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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.