Home / 18,852.52-25,998.98-12,126.28

Finding the Fourth Proportional to 18,852.52, 25,998.98 and 12,126.28

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Solution

The fourth proportional to 18,852.52, 25,998.98 and 12,126.28 is: 16,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.52 : 25,998.98 = 12,126.28 : x
  2. Step 2: Convert to fraction form
    18,852.52/25,998.98 = 12,126.28/x
  3. Step 3: Cross multiply
    18,852.52x = 25,998.98 × 12,126.28
  4. Step 4: Simplify right side
    18,852.52x = 315,270,911.19
  5. Step 5: Solve for x
    x = 315,270,911.19/18,852.52
  6. Step 6: Final answer
    x = 16,723.01

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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.