Home / 15,985.44-21,942.54-14,177.52

Finding the Fourth Proportional to 15,985.44, 21,942.54 and 14,177.52

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Solution

The fourth proportional to 15,985.44, 21,942.54 and 14,177.52 is: 19,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.44 : 21,942.54 = 14,177.52 : x
  2. Step 2: Convert to fraction form
    15,985.44/21,942.54 = 14,177.52/x
  3. Step 3: Cross multiply
    15,985.44x = 21,942.54 × 14,177.52
  4. Step 4: Simplify right side
    15,985.44x = 311,090,799.70
  5. Step 5: Solve for x
    x = 311,090,799.70/15,985.44
  6. Step 6: Final answer
    x = 19,460.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.