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Finding the Fourth Proportional to 17,903.22, 24,707.14 and 12,249.82

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Solution

The fourth proportional to 17,903.22, 24,707.14 and 12,249.82 is: 16,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.22 : 24,707.14 = 12,249.82 : x
  2. Step 2: Convert to fraction form
    17,903.22/24,707.14 = 12,249.82/x
  3. Step 3: Cross multiply
    17,903.22x = 24,707.14 × 12,249.82
  4. Step 4: Simplify right side
    17,903.22x = 302,658,094.79
  5. Step 5: Solve for x
    x = 302,658,094.79/17,903.22
  6. Step 6: Final answer
    x = 16,905.23

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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.