Home / 19,529.48-26,951.21-11,971.47

Finding the Fourth Proportional to 19,529.48, 26,951.21 and 11,971.47

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Solution

The fourth proportional to 19,529.48, 26,951.21 and 11,971.47 is: 16,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.48 : 26,951.21 = 11,971.47 : x
  2. Step 2: Convert to fraction form
    19,529.48/26,951.21 = 11,971.47/x
  3. Step 3: Cross multiply
    19,529.48x = 26,951.21 × 11,971.47
  4. Step 4: Simplify right side
    19,529.48x = 322,645,601.98
  5. Step 5: Solve for x
    x = 322,645,601.98/19,529.48
  6. Step 6: Final answer
    x = 16,520.95

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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.