Home / 21,104.47-29,124.93-11,673.10

Finding the Fourth Proportional to 21,104.47, 29,124.93 and 11,673.10

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Solution

The fourth proportional to 21,104.47, 29,124.93 and 11,673.10 is: 16,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104.47 : 29,124.93 = 11,673.10 : x
  2. Step 2: Convert to fraction form
    21,104.47/29,124.93 = 11,673.10/x
  3. Step 3: Cross multiply
    21,104.47x = 29,124.93 × 11,673.10
  4. Step 4: Simplify right side
    21,104.47x = 339,978,220.38
  5. Step 5: Solve for x
    x = 339,978,220.38/21,104.47
  6. Step 6: Final answer
    x = 16,109.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.