Home / 12,343.92-18,516.90-4,023.78

Finding the Fourth Proportional to 12,343.92, 18,516.90 and 4,023.78

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Solution

The fourth proportional to 12,343.92, 18,516.90 and 4,023.78 is: 6,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.92 : 18,516.90 = 4,023.78 : x
  2. Step 2: Convert to fraction form
    12,343.92/18,516.90 = 4,023.78/x
  3. Step 3: Cross multiply
    12,343.92x = 18,516.90 × 4,023.78
  4. Step 4: Simplify right side
    12,343.92x = 74,507,931.88
  5. Step 5: Solve for x
    x = 74,507,931.88/12,343.92
  6. Step 6: Final answer
    x = 6,036.00

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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.