Home / 22,918.08-34,372.16-8,127.48

Finding the Fourth Proportional to 22,918.08, 34,372.16 and 8,127.48

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Solution

The fourth proportional to 22,918.08, 34,372.16 and 8,127.48 is: 12,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.08 : 34,372.16 = 8,127.48 : x
  2. Step 2: Convert to fraction form
    22,918.08/34,372.16 = 8,127.48/x
  3. Step 3: Cross multiply
    22,918.08x = 34,372.16 × 8,127.48
  4. Step 4: Simplify right side
    22,918.08x = 279,359,042.96
  5. Step 5: Solve for x
    x = 279,359,042.96/22,918.08
  6. Step 6: Final answer
    x = 12,189.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.