Home / 13,325.57-19,869.26-12,845.33

Finding the Fourth Proportional to 13,325.57, 19,869.26 and 12,845.33

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Solution

The fourth proportional to 13,325.57, 19,869.26 and 12,845.33 is: 19,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.57 : 19,869.26 = 12,845.33 : x
  2. Step 2: Convert to fraction form
    13,325.57/19,869.26 = 12,845.33/x
  3. Step 3: Cross multiply
    13,325.57x = 19,869.26 × 12,845.33
  4. Step 4: Simplify right side
    13,325.57x = 255,227,201.56
  5. Step 5: Solve for x
    x = 255,227,201.56/13,325.57
  6. Step 6: Final answer
    x = 19,153.19

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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.