Home / 21,789.72-32,681.45-6,996.69

Finding the Fourth Proportional to 21,789.72, 32,681.45 and 6,996.69

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Solution

The fourth proportional to 21,789.72, 32,681.45 and 6,996.69 is: 10,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789.72 : 32,681.45 = 6,996.69 : x
  2. Step 2: Convert to fraction form
    21,789.72/32,681.45 = 6,996.69/x
  3. Step 3: Cross multiply
    21,789.72x = 32,681.45 × 6,996.69
  4. Step 4: Simplify right side
    21,789.72x = 228,661,939.42
  5. Step 5: Solve for x
    x = 228,661,939.42/21,789.72
  6. Step 6: Final answer
    x = 10,494.03

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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.