Home / 12,198.65-18,299.34-4,802.13

Finding the Fourth Proportional to 12,198.65, 18,299.34 and 4,802.13

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Solution

The fourth proportional to 12,198.65, 18,299.34 and 4,802.13 is: 7,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.65 : 18,299.34 = 4,802.13 : x
  2. Step 2: Convert to fraction form
    12,198.65/18,299.34 = 4,802.13/x
  3. Step 3: Cross multiply
    12,198.65x = 18,299.34 × 4,802.13
  4. Step 4: Simplify right side
    12,198.65x = 87,875,809.59
  5. Step 5: Solve for x
    x = 87,875,809.59/12,198.65
  6. Step 6: Final answer
    x = 7,203.74

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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.