Home / 12,530.54-18,796.26-4,210.83

Finding the Fourth Proportional to 12,530.54, 18,796.26 and 4,210.83

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Solution

The fourth proportional to 12,530.54, 18,796.26 and 4,210.83 is: 6,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.54 : 18,796.26 = 4,210.83 : x
  2. Step 2: Convert to fraction form
    12,530.54/18,796.26 = 4,210.83/x
  3. Step 3: Cross multiply
    12,530.54x = 18,796.26 × 4,210.83
  4. Step 4: Simplify right side
    12,530.54x = 79,147,761.51
  5. Step 5: Solve for x
    x = 79,147,761.51/12,530.54
  6. Step 6: Final answer
    x = 6,316.39

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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.