Home / 12,424.05-18,636.12-4,632.75

Finding the Fourth Proportional to 12,424.05, 18,636.12 and 4,632.75

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Solution

The fourth proportional to 12,424.05, 18,636.12 and 4,632.75 is: 6,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.05 : 18,636.12 = 4,632.75 : x
  2. Step 2: Convert to fraction form
    12,424.05/18,636.12 = 4,632.75/x
  3. Step 3: Cross multiply
    12,424.05x = 18,636.12 × 4,632.75
  4. Step 4: Simplify right side
    12,424.05x = 86,336,484.93
  5. Step 5: Solve for x
    x = 86,336,484.93/12,424.05
  6. Step 6: Final answer
    x = 6,949.14

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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.