Home / 18,208.84-27,256.02-12,553.48

Finding the Fourth Proportional to 18,208.84, 27,256.02 and 12,553.48

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Solution

The fourth proportional to 18,208.84, 27,256.02 and 12,553.48 is: 18,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.84 : 27,256.02 = 12,553.48 : x
  2. Step 2: Convert to fraction form
    18,208.84/27,256.02 = 12,553.48/x
  3. Step 3: Cross multiply
    18,208.84x = 27,256.02 × 12,553.48
  4. Step 4: Simplify right side
    18,208.84x = 342,157,901.95
  5. Step 5: Solve for x
    x = 342,157,901.95/18,208.84
  6. Step 6: Final answer
    x = 18,790.76

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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.