Home / 15,297.18-21,110.31-8,584.26

Finding the Fourth Proportional to 15,297.18, 21,110.31 and 8,584.26

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Solution

The fourth proportional to 15,297.18, 21,110.31 and 8,584.26 is: 11,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.18 : 21,110.31 = 8,584.26 : x
  2. Step 2: Convert to fraction form
    15,297.18/21,110.31 = 8,584.26/x
  3. Step 3: Cross multiply
    15,297.18x = 21,110.31 × 8,584.26
  4. Step 4: Simplify right side
    15,297.18x = 181,216,389.72
  5. Step 5: Solve for x
    x = 181,216,389.72/15,297.18
  6. Step 6: Final answer
    x = 11,846.39

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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.