Home / 13,992.08-19,307.84-7,942.25

Finding the Fourth Proportional to 13,992.08, 19,307.84 and 7,942.25

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Solution

The fourth proportional to 13,992.08, 19,307.84 and 7,942.25 is: 10,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.08 : 19,307.84 = 7,942.25 : x
  2. Step 2: Convert to fraction form
    13,992.08/19,307.84 = 7,942.25/x
  3. Step 3: Cross multiply
    13,992.08x = 19,307.84 × 7,942.25
  4. Step 4: Simplify right side
    13,992.08x = 153,347,700.80
  5. Step 5: Solve for x
    x = 153,347,700.80/13,992.08
  6. Step 6: Final answer
    x = 10,959.61

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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.