Home / 21,566.66-32,346.50-6,779.03

Finding the Fourth Proportional to 21,566.66, 32,346.50 and 6,779.03

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Solution

The fourth proportional to 21,566.66, 32,346.50 and 6,779.03 is: 10,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.66 : 32,346.50 = 6,779.03 : x
  2. Step 2: Convert to fraction form
    21,566.66/32,346.50 = 6,779.03/x
  3. Step 3: Cross multiply
    21,566.66x = 32,346.50 × 6,779.03
  4. Step 4: Simplify right side
    21,566.66x = 219,277,698.27
  5. Step 5: Solve for x
    x = 219,277,698.27/21,566.66
  6. Step 6: Final answer
    x = 10,167.44

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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.