Home / 22,410.72-30,911.04-14,021.28

Finding the Fourth Proportional to 22,410.72, 30,911.04 and 14,021.28

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Solution

The fourth proportional to 22,410.72, 30,911.04 and 14,021.28 is: 19,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,410.72 : 30,911.04 = 14,021.28 : x
  2. Step 2: Convert to fraction form
    22,410.72/30,911.04 = 14,021.28/x
  3. Step 3: Cross multiply
    22,410.72x = 30,911.04 × 14,021.28
  4. Step 4: Simplify right side
    22,410.72x = 433,412,346.93
  5. Step 5: Solve for x
    x = 433,412,346.93/22,410.72
  6. Step 6: Final answer
    x = 19,339.51

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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.