Home / 22,199.07-30,620.48-13,581.24

Finding the Fourth Proportional to 22,199.07, 30,620.48 and 13,581.24

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Solution

The fourth proportional to 22,199.07, 30,620.48 and 13,581.24 is: 18,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.07 : 30,620.48 = 13,581.24 : x
  2. Step 2: Convert to fraction form
    22,199.07/30,620.48 = 13,581.24/x
  3. Step 3: Cross multiply
    22,199.07x = 30,620.48 × 13,581.24
  4. Step 4: Simplify right side
    22,199.07x = 415,864,019.89
  5. Step 5: Solve for x
    x = 415,864,019.89/22,199.07
  6. Step 6: Final answer
    x = 18,733.40

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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.