Home / 12,357.89-18,534.27-4,561.37

Finding the Fourth Proportional to 12,357.89, 18,534.27 and 4,561.37

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Solution

The fourth proportional to 12,357.89, 18,534.27 and 4,561.37 is: 6,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.89 : 18,534.27 = 4,561.37 : x
  2. Step 2: Convert to fraction form
    12,357.89/18,534.27 = 4,561.37/x
  3. Step 3: Cross multiply
    12,357.89x = 18,534.27 × 4,561.37
  4. Step 4: Simplify right side
    12,357.89x = 84,541,663.15
  5. Step 5: Solve for x
    x = 84,541,663.15/12,357.89
  6. Step 6: Final answer
    x = 6,841.11

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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.