Home / 12,330.64-18,497.72-4,007.98

Finding the Fourth Proportional to 12,330.64, 18,497.72 and 4,007.98

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Solution

The fourth proportional to 12,330.64, 18,497.72 and 4,007.98 is: 6,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.64 : 18,497.72 = 4,007.98 : x
  2. Step 2: Convert to fraction form
    12,330.64/18,497.72 = 4,007.98/x
  3. Step 3: Cross multiply
    12,330.64x = 18,497.72 × 4,007.98
  4. Step 4: Simplify right side
    12,330.64x = 74,138,471.77
  5. Step 5: Solve for x
    x = 74,138,471.77/12,330.64
  6. Step 6: Final answer
    x = 6,012.54

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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.