Home / 18,220.64-27,334.60-6,534.76

Finding the Fourth Proportional to 18,220.64, 27,334.60 and 6,534.76

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Solution

The fourth proportional to 18,220.64, 27,334.60 and 6,534.76 is: 9,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.64 : 27,334.60 = 6,534.76 : x
  2. Step 2: Convert to fraction form
    18,220.64/27,334.60 = 6,534.76/x
  3. Step 3: Cross multiply
    18,220.64x = 27,334.60 × 6,534.76
  4. Step 4: Simplify right side
    18,220.64x = 178,625,050.70
  5. Step 5: Solve for x
    x = 178,625,050.70/18,220.64
  6. Step 6: Final answer
    x = 9,803.45

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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.