Home / 12,331.92-18,465.04-9,636.65

Finding the Fourth Proportional to 12,331.92, 18,465.04 and 9,636.65

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Solution

The fourth proportional to 12,331.92, 18,465.04 and 9,636.65 is: 14,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.92 : 18,465.04 = 9,636.65 : x
  2. Step 2: Convert to fraction form
    12,331.92/18,465.04 = 9,636.65/x
  3. Step 3: Cross multiply
    12,331.92x = 18,465.04 × 9,636.65
  4. Step 4: Simplify right side
    12,331.92x = 177,941,127.72
  5. Step 5: Solve for x
    x = 177,941,127.72/12,331.92
  6. Step 6: Final answer
    x = 14,429.31

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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.