Home / 14,292.45-19,724.21-8,004.69

Finding the Fourth Proportional to 14,292.45, 19,724.21 and 8,004.69

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Solution

The fourth proportional to 14,292.45, 19,724.21 and 8,004.69 is: 11,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.45 : 19,724.21 = 8,004.69 : x
  2. Step 2: Convert to fraction form
    14,292.45/19,724.21 = 8,004.69/x
  3. Step 3: Cross multiply
    14,292.45x = 19,724.21 × 8,004.69
  4. Step 4: Simplify right side
    14,292.45x = 157,886,146.52
  5. Step 5: Solve for x
    x = 157,886,146.52/14,292.45
  6. Step 6: Final answer
    x = 11,046.82

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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.