Home / 12,546.28-18,820.06-4,755.72

Finding the Fourth Proportional to 12,546.28, 18,820.06 and 4,755.72

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Solution

The fourth proportional to 12,546.28, 18,820.06 and 4,755.72 is: 7,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.28 : 18,820.06 = 4,755.72 : x
  2. Step 2: Convert to fraction form
    12,546.28/18,820.06 = 4,755.72/x
  3. Step 3: Cross multiply
    12,546.28x = 18,820.06 × 4,755.72
  4. Step 4: Simplify right side
    12,546.28x = 89,502,935.74
  5. Step 5: Solve for x
    x = 89,502,935.74/12,546.28
  6. Step 6: Final answer
    x = 7,133.82

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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.