Home / 12,670.31-19,005.46-4,774.02

Finding the Fourth Proportional to 12,670.31, 19,005.46 and 4,774.02

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Solution

The fourth proportional to 12,670.31, 19,005.46 and 4,774.02 is: 7,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.31 : 19,005.46 = 4,774.02 : x
  2. Step 2: Convert to fraction form
    12,670.31/19,005.46 = 4,774.02/x
  3. Step 3: Cross multiply
    12,670.31x = 19,005.46 × 4,774.02
  4. Step 4: Simplify right side
    12,670.31x = 90,732,446.15
  5. Step 5: Solve for x
    x = 90,732,446.15/12,670.31
  6. Step 6: Final answer
    x = 7,161.03

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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.