Home / 15,469.54-21,334.80-10,427.14

Finding the Fourth Proportional to 15,469.54, 21,334.80 and 10,427.14

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Solution

The fourth proportional to 15,469.54, 21,334.80 and 10,427.14 is: 14,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.54 : 21,334.80 = 10,427.14 : x
  2. Step 2: Convert to fraction form
    15,469.54/21,334.80 = 10,427.14/x
  3. Step 3: Cross multiply
    15,469.54x = 21,334.80 × 10,427.14
  4. Step 4: Simplify right side
    15,469.54x = 222,460,946.47
  5. Step 5: Solve for x
    x = 222,460,946.47/15,469.54
  6. Step 6: Final answer
    x = 14,380.58

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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.