Home / 10,006.80-13,809.31-5,699.94

Finding the Fourth Proportional to 10,006.80, 13,809.31 and 5,699.94

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Solution

The fourth proportional to 10,006.80, 13,809.31 and 5,699.94 is: 7,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.80 : 13,809.31 = 5,699.94 : x
  2. Step 2: Convert to fraction form
    10,006.80/13,809.31 = 5,699.94/x
  3. Step 3: Cross multiply
    10,006.80x = 13,809.31 × 5,699.94
  4. Step 4: Simplify right side
    10,006.80x = 78,712,238.44
  5. Step 5: Solve for x
    x = 78,712,238.44/10,006.80
  6. Step 6: Final answer
    x = 7,865.88

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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.