Home / 12,516.02-18,775.06-4,196.12

Finding the Fourth Proportional to 12,516.02, 18,775.06 and 4,196.12

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Solution

The fourth proportional to 12,516.02, 18,775.06 and 4,196.12 is: 6,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.02 : 18,775.06 = 4,196.12 : x
  2. Step 2: Convert to fraction form
    12,516.02/18,775.06 = 4,196.12/x
  3. Step 3: Cross multiply
    12,516.02x = 18,775.06 × 4,196.12
  4. Step 4: Simplify right side
    12,516.02x = 78,782,404.77
  5. Step 5: Solve for x
    x = 78,782,404.77/12,516.02
  6. Step 6: Final answer
    x = 6,294.53

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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.