Home / 21,973.60-32,966.01-6,391.22

Finding the Fourth Proportional to 21,973.60, 32,966.01 and 6,391.22

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Solution

The fourth proportional to 21,973.60, 32,966.01 and 6,391.22 is: 9,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.60 : 32,966.01 = 6,391.22 : x
  2. Step 2: Convert to fraction form
    21,973.60/32,966.01 = 6,391.22/x
  3. Step 3: Cross multiply
    21,973.60x = 32,966.01 × 6,391.22
  4. Step 4: Simplify right side
    21,973.60x = 210,693,022.43
  5. Step 5: Solve for x
    x = 210,693,022.43/21,973.60
  6. Step 6: Final answer
    x = 9,588.46

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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.