Home / 12,869.37-19,306.89-7,325.33

Finding the Fourth Proportional to 12,869.37, 19,306.89 and 7,325.33

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Solution

The fourth proportional to 12,869.37, 19,306.89 and 7,325.33 is: 10,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.37 : 19,306.89 = 7,325.33 : x
  2. Step 2: Convert to fraction form
    12,869.37/19,306.89 = 7,325.33/x
  3. Step 3: Cross multiply
    12,869.37x = 19,306.89 × 7,325.33
  4. Step 4: Simplify right side
    12,869.37x = 141,429,243.99
  5. Step 5: Solve for x
    x = 141,429,243.99/12,869.37
  6. Step 6: Final answer
    x = 10,989.60

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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.