Home / 14,227.28-19,633.32-7,940.24

Finding the Fourth Proportional to 14,227.28, 19,633.32 and 7,940.24

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Solution

The fourth proportional to 14,227.28, 19,633.32 and 7,940.24 is: 10,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.28 : 19,633.32 = 7,940.24 : x
  2. Step 2: Convert to fraction form
    14,227.28/19,633.32 = 7,940.24/x
  3. Step 3: Cross multiply
    14,227.28x = 19,633.32 × 7,940.24
  4. Step 4: Simplify right side
    14,227.28x = 155,893,272.80
  5. Step 5: Solve for x
    x = 155,893,272.80/14,227.28
  6. Step 6: Final answer
    x = 10,957.35

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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.