Home / 12,358.79-18,540.04-3,592.56

Finding the Fourth Proportional to 12,358.79, 18,540.04 and 3,592.56

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Solution

The fourth proportional to 12,358.79, 18,540.04 and 3,592.56 is: 5,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.79 : 18,540.04 = 3,592.56 : x
  2. Step 2: Convert to fraction form
    12,358.79/18,540.04 = 3,592.56/x
  3. Step 3: Cross multiply
    12,358.79x = 18,540.04 × 3,592.56
  4. Step 4: Simplify right side
    12,358.79x = 66,606,197.12
  5. Step 5: Solve for x
    x = 66,606,197.12/12,358.79
  6. Step 6: Final answer
    x = 5,389.38

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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.