Home / 12,374.10-18,562.01-4,978.58

Finding the Fourth Proportional to 12,374.10, 18,562.01 and 4,978.58

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Solution

The fourth proportional to 12,374.10, 18,562.01 and 4,978.58 is: 7,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.10 : 18,562.01 = 4,978.58 : x
  2. Step 2: Convert to fraction form
    12,374.10/18,562.01 = 4,978.58/x
  3. Step 3: Cross multiply
    12,374.10x = 18,562.01 × 4,978.58
  4. Step 4: Simplify right side
    12,374.10x = 92,412,334.04
  5. Step 5: Solve for x
    x = 92,412,334.04/12,374.10
  6. Step 6: Final answer
    x = 7,468.21

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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.