Home / 12,516.27-18,779.60-5,492.62

Finding the Fourth Proportional to 12,516.27, 18,779.60 and 5,492.62

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Solution

The fourth proportional to 12,516.27, 18,779.60 and 5,492.62 is: 8,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.27 : 18,779.60 = 5,492.62 : x
  2. Step 2: Convert to fraction form
    12,516.27/18,779.60 = 5,492.62/x
  3. Step 3: Cross multiply
    12,516.27x = 18,779.60 × 5,492.62
  4. Step 4: Simplify right side
    12,516.27x = 103,149,206.55
  5. Step 5: Solve for x
    x = 103,149,206.55/12,516.27
  6. Step 6: Final answer
    x = 8,241.21

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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.