Home / 15,825.48-21,819.32-10,150.22

Finding the Fourth Proportional to 15,825.48, 21,819.32 and 10,150.22

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Solution

The fourth proportional to 15,825.48, 21,819.32 and 10,150.22 is: 13,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.48 : 21,819.32 = 10,150.22 : x
  2. Step 2: Convert to fraction form
    15,825.48/21,819.32 = 10,150.22/x
  3. Step 3: Cross multiply
    15,825.48x = 21,819.32 × 10,150.22
  4. Step 4: Simplify right side
    15,825.48x = 221,470,738.40
  5. Step 5: Solve for x
    x = 221,470,738.40/15,825.48
  6. Step 6: Final answer
    x = 13,994.57

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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.