Home / 12,007.56-18,011.32-3,242.46

Finding the Fourth Proportional to 12,007.56, 18,011.32 and 3,242.46

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Solution

The fourth proportional to 12,007.56, 18,011.32 and 3,242.46 is: 4,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.56 : 18,011.32 = 3,242.46 : x
  2. Step 2: Convert to fraction form
    12,007.56/18,011.32 = 3,242.46/x
  3. Step 3: Cross multiply
    12,007.56x = 18,011.32 × 3,242.46
  4. Step 4: Simplify right side
    12,007.56x = 58,400,984.65
  5. Step 5: Solve for x
    x = 58,400,984.65/12,007.56
  6. Step 6: Final answer
    x = 4,863.68

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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.