Home / 21,905.40-32,858.68-6,323

Finding the Fourth Proportional to 21,905.40, 32,858.68 and 6,323

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Solution

The fourth proportional to 21,905.40, 32,858.68 and 6,323 is: 9,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905.40 : 32,858.68 = 6,323 : x
  2. Step 2: Convert to fraction form
    21,905.40/32,858.68 = 6,323/x
  3. Step 3: Cross multiply
    21,905.40x = 32,858.68 × 6,323
  4. Step 4: Simplify right side
    21,905.40x = 207,765,433.64
  5. Step 5: Solve for x
    x = 207,765,433.64/21,905.40
  6. Step 6: Final answer
    x = 9,484.67

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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.