Home / 15,860.72-21,884.64-9,573.44

Finding the Fourth Proportional to 15,860.72, 21,884.64 and 9,573.44

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Solution

The fourth proportional to 15,860.72, 21,884.64 and 9,573.44 is: 13,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.72 : 21,884.64 = 9,573.44 : x
  2. Step 2: Convert to fraction form
    15,860.72/21,884.64 = 9,573.44/x
  3. Step 3: Cross multiply
    15,860.72x = 21,884.64 × 9,573.44
  4. Step 4: Simplify right side
    15,860.72x = 209,511,287.96
  5. Step 5: Solve for x
    x = 209,511,287.96/15,860.72
  6. Step 6: Final answer
    x = 13,209.44

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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.