Home / 15,992.88-23,987.60-4,307.28

Finding the Fourth Proportional to 15,992.88, 23,987.60 and 4,307.28

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Solution

The fourth proportional to 15,992.88, 23,987.60 and 4,307.28 is: 6,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.88 : 23,987.60 = 4,307.28 : x
  2. Step 2: Convert to fraction form
    15,992.88/23,987.60 = 4,307.28/x
  3. Step 3: Cross multiply
    15,992.88x = 23,987.60 × 4,307.28
  4. Step 4: Simplify right side
    15,992.88x = 103,321,309.73
  5. Step 5: Solve for x
    x = 103,321,309.73/15,992.88
  6. Step 6: Final answer
    x = 6,460.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.