Home / 19,925.36-29,879.92-8,681.48

Finding the Fourth Proportional to 19,925.36, 29,879.92 and 8,681.48

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Solution

The fourth proportional to 19,925.36, 29,879.92 and 8,681.48 is: 13,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.36 : 29,879.92 = 8,681.48 : x
  2. Step 2: Convert to fraction form
    19,925.36/29,879.92 = 8,681.48/x
  3. Step 3: Cross multiply
    19,925.36x = 29,879.92 × 8,681.48
  4. Step 4: Simplify right side
    19,925.36x = 259,401,927.88
  5. Step 5: Solve for x
    x = 259,401,927.88/19,925.36
  6. Step 6: Final answer
    x = 13,018.68

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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.