Home / 19,458.24-29,185.56-5,418.48

Finding the Fourth Proportional to 19,458.24, 29,185.56 and 5,418.48

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Solution

The fourth proportional to 19,458.24, 29,185.56 and 5,418.48 is: 8,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.24 : 29,185.56 = 5,418.48 : x
  2. Step 2: Convert to fraction form
    19,458.24/29,185.56 = 5,418.48/x
  3. Step 3: Cross multiply
    19,458.24x = 29,185.56 × 5,418.48
  4. Step 4: Simplify right side
    19,458.24x = 158,141,373.15
  5. Step 5: Solve for x
    x = 158,141,373.15/19,458.24
  6. Step 6: Final answer
    x = 8,127.22

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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.