Home / 12,530.66-18,796.44-4,210.95

Finding the Fourth Proportional to 12,530.66, 18,796.44 and 4,210.95

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Solution

The fourth proportional to 12,530.66, 18,796.44 and 4,210.95 is: 6,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.66 : 18,796.44 = 4,210.95 : x
  2. Step 2: Convert to fraction form
    12,530.66/18,796.44 = 4,210.95/x
  3. Step 3: Cross multiply
    12,530.66x = 18,796.44 × 4,210.95
  4. Step 4: Simplify right side
    12,530.66x = 79,150,869.02
  5. Step 5: Solve for x
    x = 79,150,869.02/12,530.66
  6. Step 6: Final answer
    x = 6,316.58

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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.