Home / 19,817.70-27,348.60-10,865.37

Finding the Fourth Proportional to 19,817.70, 27,348.60 and 10,865.37

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Solution

The fourth proportional to 19,817.70, 27,348.60 and 10,865.37 is: 14,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.70 : 27,348.60 = 10,865.37 : x
  2. Step 2: Convert to fraction form
    19,817.70/27,348.60 = 10,865.37/x
  3. Step 3: Cross multiply
    19,817.70x = 27,348.60 × 10,865.37
  4. Step 4: Simplify right side
    19,817.70x = 297,152,657.98
  5. Step 5: Solve for x
    x = 297,152,657.98/19,817.70
  6. Step 6: Final answer
    x = 14,994.31

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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.