Home / 12,330.90-18,497.34-4,007.64

Finding the Fourth Proportional to 12,330.90, 18,497.34 and 4,007.64

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Solution

The fourth proportional to 12,330.90, 18,497.34 and 4,007.64 is: 6,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.90 : 18,497.34 = 4,007.64 : x
  2. Step 2: Convert to fraction form
    12,330.90/18,497.34 = 4,007.64/x
  3. Step 3: Cross multiply
    12,330.90x = 18,497.34 × 4,007.64
  4. Step 4: Simplify right side
    12,330.90x = 74,130,679.68
  5. Step 5: Solve for x
    x = 74,130,679.68/12,330.90
  6. Step 6: Final answer
    x = 6,011.78

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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.