Home / 12,677.13-18,950.87-9,359.37

Finding the Fourth Proportional to 12,677.13, 18,950.87 and 9,359.37

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Solution

The fourth proportional to 12,677.13, 18,950.87 and 9,359.37 is: 13,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.13 : 18,950.87 = 9,359.37 : x
  2. Step 2: Convert to fraction form
    12,677.13/18,950.87 = 9,359.37/x
  3. Step 3: Cross multiply
    12,677.13x = 18,950.87 × 9,359.37
  4. Step 4: Simplify right side
    12,677.13x = 177,368,227.55
  5. Step 5: Solve for x
    x = 177,368,227.55/12,677.13
  6. Step 6: Final answer
    x = 13,991.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.