Home / 21,747.60-32,622.64-6,164

Finding the Fourth Proportional to 21,747.60, 32,622.64 and 6,164

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Solution

The fourth proportional to 21,747.60, 32,622.64 and 6,164 is: 9,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.60 : 32,622.64 = 6,164 : x
  2. Step 2: Convert to fraction form
    21,747.60/32,622.64 = 6,164/x
  3. Step 3: Cross multiply
    21,747.60x = 32,622.64 × 6,164
  4. Step 4: Simplify right side
    21,747.60x = 201,085,952.96
  5. Step 5: Solve for x
    x = 201,085,952.96/21,747.60
  6. Step 6: Final answer
    x = 9,246.35

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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.