Home / 18,985.48-28,477.41-5,837.29

Finding the Fourth Proportional to 18,985.48, 28,477.41 and 5,837.29

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Solution

The fourth proportional to 18,985.48, 28,477.41 and 5,837.29 is: 8,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.48 : 28,477.41 = 5,837.29 : x
  2. Step 2: Convert to fraction form
    18,985.48/28,477.41 = 5,837.29/x
  3. Step 3: Cross multiply
    18,985.48x = 28,477.41 × 5,837.29
  4. Step 4: Simplify right side
    18,985.48x = 166,230,900.62
  5. Step 5: Solve for x
    x = 166,230,900.62/18,985.48
  6. Step 6: Final answer
    x = 8,755.69

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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.