Home / 19,418.36-29,121.91-7,569.50

Finding the Fourth Proportional to 19,418.36, 29,121.91 and 7,569.50

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Solution

The fourth proportional to 19,418.36, 29,121.91 and 7,569.50 is: 11,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.36 : 29,121.91 = 7,569.50 : x
  2. Step 2: Convert to fraction form
    19,418.36/29,121.91 = 7,569.50/x
  3. Step 3: Cross multiply
    19,418.36x = 29,121.91 × 7,569.50
  4. Step 4: Simplify right side
    19,418.36x = 220,438,114.29
  5. Step 5: Solve for x
    x = 220,438,114.29/19,418.36
  6. Step 6: Final answer
    x = 11,352.05

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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.