Home / 19,922.78-27,493.62-10,970.60

Finding the Fourth Proportional to 19,922.78, 27,493.62 and 10,970.60

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Solution

The fourth proportional to 19,922.78, 27,493.62 and 10,970.60 is: 15,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.78 : 27,493.62 = 10,970.60 : x
  2. Step 2: Convert to fraction form
    19,922.78/27,493.62 = 10,970.60/x
  3. Step 3: Cross multiply
    19,922.78x = 27,493.62 × 10,970.60
  4. Step 4: Simplify right side
    19,922.78x = 301,621,576.31
  5. Step 5: Solve for x
    x = 301,621,576.31/19,922.78
  6. Step 6: Final answer
    x = 15,139.53

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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.