Home / 12,618.09-18,924.98-4,718.50

Finding the Fourth Proportional to 12,618.09, 18,924.98 and 4,718.50

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Solution

The fourth proportional to 12,618.09, 18,924.98 and 4,718.50 is: 7,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.09 : 18,924.98 = 4,718.50 : x
  2. Step 2: Convert to fraction form
    12,618.09/18,924.98 = 4,718.50/x
  3. Step 3: Cross multiply
    12,618.09x = 18,924.98 × 4,718.50
  4. Step 4: Simplify right side
    12,618.09x = 89,297,447.23
  5. Step 5: Solve for x
    x = 89,297,447.23/12,618.09
  6. Step 6: Final answer
    x = 7,076.94

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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.