Home / 12,429.37-18,644.04-10,233.48

Finding the Fourth Proportional to 12,429.37, 18,644.04 and 10,233.48

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Solution

The fourth proportional to 12,429.37, 18,644.04 and 10,233.48 is: 15,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.37 : 18,644.04 = 10,233.48 : x
  2. Step 2: Convert to fraction form
    12,429.37/18,644.04 = 10,233.48/x
  3. Step 3: Cross multiply
    12,429.37x = 18,644.04 × 10,233.48
  4. Step 4: Simplify right side
    12,429.37x = 190,793,410.46
  5. Step 5: Solve for x
    x = 190,793,410.46/12,429.37
  6. Step 6: Final answer
    x = 15,350.21

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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.