Home / 12,618.59-18,918.61-6,049.38

Finding the Fourth Proportional to 12,618.59, 18,918.61 and 6,049.38

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Solution

The fourth proportional to 12,618.59, 18,918.61 and 6,049.38 is: 9,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.59 : 18,918.61 = 6,049.38 : x
  2. Step 2: Convert to fraction form
    12,618.59/18,918.61 = 6,049.38/x
  3. Step 3: Cross multiply
    12,618.59x = 18,918.61 × 6,049.38
  4. Step 4: Simplify right side
    12,618.59x = 114,445,950.81
  5. Step 5: Solve for x
    x = 114,445,950.81/12,618.59
  6. Step 6: Final answer
    x = 9,069.63

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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.