Home / 17,970.22-24,778.35-15,133.24

Finding the Fourth Proportional to 17,970.22, 24,778.35 and 15,133.24

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Solution

The fourth proportional to 17,970.22, 24,778.35 and 15,133.24 is: 20,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.22 : 24,778.35 = 15,133.24 : x
  2. Step 2: Convert to fraction form
    17,970.22/24,778.35 = 15,133.24/x
  3. Step 3: Cross multiply
    17,970.22x = 24,778.35 × 15,133.24
  4. Step 4: Simplify right side
    17,970.22x = 374,976,717.35
  5. Step 5: Solve for x
    x = 374,976,717.35/17,970.22
  6. Step 6: Final answer
    x = 20,866.56

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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.