Home / 19,542.24-29,313.36-7,696.80

Finding the Fourth Proportional to 19,542.24, 29,313.36 and 7,696.80

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Solution

The fourth proportional to 19,542.24, 29,313.36 and 7,696.80 is: 11,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.24 : 29,313.36 = 7,696.80 : x
  2. Step 2: Convert to fraction form
    19,542.24/29,313.36 = 7,696.80/x
  3. Step 3: Cross multiply
    19,542.24x = 29,313.36 × 7,696.80
  4. Step 4: Simplify right side
    19,542.24x = 225,619,069.25
  5. Step 5: Solve for x
    x = 225,619,069.25/19,542.24
  6. Step 6: Final answer
    x = 11,545.20

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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.