Home / 21,656.15-32,485.37-6,863.93

Finding the Fourth Proportional to 21,656.15, 32,485.37 and 6,863.93

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Solution

The fourth proportional to 21,656.15, 32,485.37 and 6,863.93 is: 10,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.15 : 32,485.37 = 6,863.93 : x
  2. Step 2: Convert to fraction form
    21,656.15/32,485.37 = 6,863.93/x
  3. Step 3: Cross multiply
    21,656.15x = 32,485.37 × 6,863.93
  4. Step 4: Simplify right side
    21,656.15x = 222,977,108.96
  5. Step 5: Solve for x
    x = 222,977,108.96/21,656.15
  6. Step 6: Final answer
    x = 10,296.25

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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.