Home / 21,354.60-32,036.70-6,564.20

Finding the Fourth Proportional to 21,354.60, 32,036.70 and 6,564.20

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Solution

The fourth proportional to 21,354.60, 32,036.70 and 6,564.20 is: 9,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354.60 : 32,036.70 = 6,564.20 : x
  2. Step 2: Convert to fraction form
    21,354.60/32,036.70 = 6,564.20/x
  3. Step 3: Cross multiply
    21,354.60x = 32,036.70 × 6,564.20
  4. Step 4: Simplify right side
    21,354.60x = 210,295,306.14
  5. Step 5: Solve for x
    x = 210,295,306.14/21,354.60
  6. Step 6: Final answer
    x = 9,847.78

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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.