Home / 18,848.19-28,272-6,376.98

Finding the Fourth Proportional to 18,848.19, 28,272 and 6,376.98

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Solution

The fourth proportional to 18,848.19, 28,272 and 6,376.98 is: 9,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.19 : 28,272 = 6,376.98 : x
  2. Step 2: Convert to fraction form
    18,848.19/28,272 = 6,376.98/x
  3. Step 3: Cross multiply
    18,848.19x = 28,272 × 6,376.98
  4. Step 4: Simplify right side
    18,848.19x = 180,289,978.56
  5. Step 5: Solve for x
    x = 180,289,978.56/18,848.19
  6. Step 6: Final answer
    x = 9,565.37

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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.