Home / 12,902.89-19,349.69-4,467.11

Finding the Fourth Proportional to 12,902.89, 19,349.69 and 4,467.11

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Solution

The fourth proportional to 12,902.89, 19,349.69 and 4,467.11 is: 6,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.89 : 19,349.69 = 4,467.11 : x
  2. Step 2: Convert to fraction form
    12,902.89/19,349.69 = 4,467.11/x
  3. Step 3: Cross multiply
    12,902.89x = 19,349.69 × 4,467.11
  4. Step 4: Simplify right side
    12,902.89x = 86,437,096.95
  5. Step 5: Solve for x
    x = 86,437,096.95/12,902.89
  6. Step 6: Final answer
    x = 6,699.05

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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.