Home / 15,669.25-23,505.09-5,281

Finding the Fourth Proportional to 15,669.25, 23,505.09 and 5,281

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Solution

The fourth proportional to 15,669.25, 23,505.09 and 5,281 is: 7,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.25 : 23,505.09 = 5,281 : x
  2. Step 2: Convert to fraction form
    15,669.25/23,505.09 = 5,281/x
  3. Step 3: Cross multiply
    15,669.25x = 23,505.09 × 5,281
  4. Step 4: Simplify right side
    15,669.25x = 124,130,380.29
  5. Step 5: Solve for x
    x = 124,130,380.29/15,669.25
  6. Step 6: Final answer
    x = 7,921.91

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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.