Home / 21,368.31-32,046.70-9,669.75

Finding the Fourth Proportional to 21,368.31, 32,046.70 and 9,669.75

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Solution

The fourth proportional to 21,368.31, 32,046.70 and 9,669.75 is: 14,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.31 : 32,046.70 = 9,669.75 : x
  2. Step 2: Convert to fraction form
    21,368.31/32,046.70 = 9,669.75/x
  3. Step 3: Cross multiply
    21,368.31x = 32,046.70 × 9,669.75
  4. Step 4: Simplify right side
    21,368.31x = 309,883,577.33
  5. Step 5: Solve for x
    x = 309,883,577.33/21,368.31
  6. Step 6: Final answer
    x = 14,502.02

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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.