Home / 18,840.56-28,263.96-6,361.76

Finding the Fourth Proportional to 18,840.56, 28,263.96 and 6,361.76

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Solution

The fourth proportional to 18,840.56, 28,263.96 and 6,361.76 is: 9,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.56 : 28,263.96 = 6,361.76 : x
  2. Step 2: Convert to fraction form
    18,840.56/28,263.96 = 6,361.76/x
  3. Step 3: Cross multiply
    18,840.56x = 28,263.96 × 6,361.76
  4. Step 4: Simplify right side
    18,840.56x = 179,808,530.17
  5. Step 5: Solve for x
    x = 179,808,530.17/18,840.56
  6. Step 6: Final answer
    x = 9,543.69

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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.