Home / 22,445.72-30,975.22-13,019.88

Finding the Fourth Proportional to 22,445.72, 30,975.22 and 13,019.88

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Solution

The fourth proportional to 22,445.72, 30,975.22 and 13,019.88 is: 17,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.72 : 30,975.22 = 13,019.88 : x
  2. Step 2: Convert to fraction form
    22,445.72/30,975.22 = 13,019.88/x
  3. Step 3: Cross multiply
    22,445.72x = 30,975.22 × 13,019.88
  4. Step 4: Simplify right side
    22,445.72x = 403,293,647.37
  5. Step 5: Solve for x
    x = 403,293,647.37/22,445.72
  6. Step 6: Final answer
    x = 17,967.51

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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.