Home / 13,233.29-19,929.16-12,052.31

Finding the Fourth Proportional to 13,233.29, 19,929.16 and 12,052.31

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Solution

The fourth proportional to 13,233.29, 19,929.16 and 12,052.31 is: 18,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.29 : 19,929.16 = 12,052.31 : x
  2. Step 2: Convert to fraction form
    13,233.29/19,929.16 = 12,052.31/x
  3. Step 3: Cross multiply
    13,233.29x = 19,929.16 × 12,052.31
  4. Step 4: Simplify right side
    13,233.29x = 240,192,414.36
  5. Step 5: Solve for x
    x = 240,192,414.36/13,233.29
  6. Step 6: Final answer
    x = 18,150.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.