Home / 8,681.32-13,029.31-6,712.26

Finding the Fourth Proportional to 8,681.32, 13,029.31 and 6,712.26

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Solution

The fourth proportional to 8,681.32, 13,029.31 and 6,712.26 is: 10,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.32 : 13,029.31 = 6,712.26 : x
  2. Step 2: Convert to fraction form
    8,681.32/13,029.31 = 6,712.26/x
  3. Step 3: Cross multiply
    8,681.32x = 13,029.31 × 6,712.26
  4. Step 4: Simplify right side
    8,681.32x = 87,456,075.87
  5. Step 5: Solve for x
    x = 87,456,075.87/8,681.32
  6. Step 6: Final answer
    x = 10,074.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.