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Finding the Fourth Proportional to 12,352.68, 18,511.74 and 8,873.64

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Solution

The fourth proportional to 12,352.68, 18,511.74 and 8,873.64 is: 13,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.68 : 18,511.74 = 8,873.64 : x
  2. Step 2: Convert to fraction form
    12,352.68/18,511.74 = 8,873.64/x
  3. Step 3: Cross multiply
    12,352.68x = 18,511.74 × 8,873.64
  4. Step 4: Simplify right side
    12,352.68x = 164,266,516.53
  5. Step 5: Solve for x
    x = 164,266,516.53/12,352.68
  6. Step 6: Final answer
    x = 13,298.05

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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.