Home / 15,825.33-21,838.03-8,751.29

Finding the Fourth Proportional to 15,825.33, 21,838.03 and 8,751.29

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Solution

The fourth proportional to 15,825.33, 21,838.03 and 8,751.29 is: 12,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.33 : 21,838.03 = 8,751.29 : x
  2. Step 2: Convert to fraction form
    15,825.33/21,838.03 = 8,751.29/x
  3. Step 3: Cross multiply
    15,825.33x = 21,838.03 × 8,751.29
  4. Step 4: Simplify right side
    15,825.33x = 191,110,802.49
  5. Step 5: Solve for x
    x = 191,110,802.49/15,825.33
  6. Step 6: Final answer
    x = 12,076.26

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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.