Home / 15,845.48-21,860.54-10,179.44

Finding the Fourth Proportional to 15,845.48, 21,860.54 and 10,179.44

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Solution

The fourth proportional to 15,845.48, 21,860.54 and 10,179.44 is: 14,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.48 : 21,860.54 = 10,179.44 : x
  2. Step 2: Convert to fraction form
    15,845.48/21,860.54 = 10,179.44/x
  3. Step 3: Cross multiply
    15,845.48x = 21,860.54 × 10,179.44
  4. Step 4: Simplify right side
    15,845.48x = 222,528,055.30
  5. Step 5: Solve for x
    x = 222,528,055.30/15,845.48
  6. Step 6: Final answer
    x = 14,043.63

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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.