Home / 12,344.08-18,516.52-3,579.07

Finding the Fourth Proportional to 12,344.08, 18,516.52 and 3,579.07

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Solution

The fourth proportional to 12,344.08, 18,516.52 and 3,579.07 is: 5,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.08 : 18,516.52 = 3,579.07 : x
  2. Step 2: Convert to fraction form
    12,344.08/18,516.52 = 3,579.07/x
  3. Step 3: Cross multiply
    12,344.08x = 18,516.52 × 3,579.07
  4. Step 4: Simplify right side
    12,344.08x = 66,271,921.24
  5. Step 5: Solve for x
    x = 66,271,921.24/12,344.08
  6. Step 6: Final answer
    x = 5,368.72

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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.