Home / 19,804.48-29,705.68-6,657.12

Finding the Fourth Proportional to 19,804.48, 29,705.68 and 6,657.12

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Solution

The fourth proportional to 19,804.48, 29,705.68 and 6,657.12 is: 9,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.48 : 29,705.68 = 6,657.12 : x
  2. Step 2: Convert to fraction form
    19,804.48/29,705.68 = 6,657.12/x
  3. Step 3: Cross multiply
    19,804.48x = 29,705.68 × 6,657.12
  4. Step 4: Simplify right side
    19,804.48x = 197,754,276.44
  5. Step 5: Solve for x
    x = 197,754,276.44/19,804.48
  6. Step 6: Final answer
    x = 9,985.33

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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.