Home / 14,279.94-19,707.21-7,992.54

Finding the Fourth Proportional to 14,279.94, 19,707.21 and 7,992.54

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Solution

The fourth proportional to 14,279.94, 19,707.21 and 7,992.54 is: 11,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.94 : 19,707.21 = 7,992.54 : x
  2. Step 2: Convert to fraction form
    14,279.94/19,707.21 = 7,992.54/x
  3. Step 3: Cross multiply
    14,279.94x = 19,707.21 × 7,992.54
  4. Step 4: Simplify right side
    14,279.94x = 157,510,664.21
  5. Step 5: Solve for x
    x = 157,510,664.21/14,279.94
  6. Step 6: Final answer
    x = 11,030.20

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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.