Home / 20,052.95-27,680.36-11,669.45

Finding the Fourth Proportional to 20,052.95, 27,680.36 and 11,669.45

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Solution

The fourth proportional to 20,052.95, 27,680.36 and 11,669.45 is: 16,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.95 : 27,680.36 = 11,669.45 : x
  2. Step 2: Convert to fraction form
    20,052.95/27,680.36 = 11,669.45/x
  3. Step 3: Cross multiply
    20,052.95x = 27,680.36 × 11,669.45
  4. Step 4: Simplify right side
    20,052.95x = 323,014,380.25
  5. Step 5: Solve for x
    x = 323,014,380.25/20,052.95
  6. Step 6: Final answer
    x = 16,108.08

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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.