Home / 13,705.80-20,546.22-4,938.76

Finding the Fourth Proportional to 13,705.80, 20,546.22 and 4,938.76

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Solution

The fourth proportional to 13,705.80, 20,546.22 and 4,938.76 is: 7,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.80 : 20,546.22 = 4,938.76 : x
  2. Step 2: Convert to fraction form
    13,705.80/20,546.22 = 4,938.76/x
  3. Step 3: Cross multiply
    13,705.80x = 20,546.22 × 4,938.76
  4. Step 4: Simplify right side
    13,705.80x = 101,472,849.49
  5. Step 5: Solve for x
    x = 101,472,849.49/13,705.80
  6. Step 6: Final answer
    x = 7,403.64

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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.