Home / 15,240.16-21,029.32-8,525.44

Finding the Fourth Proportional to 15,240.16, 21,029.32 and 8,525.44

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Solution

The fourth proportional to 15,240.16, 21,029.32 and 8,525.44 is: 11,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.16 : 21,029.32 = 8,525.44 : x
  2. Step 2: Convert to fraction form
    15,240.16/21,029.32 = 8,525.44/x
  3. Step 3: Cross multiply
    15,240.16x = 21,029.32 × 8,525.44
  4. Step 4: Simplify right side
    15,240.16x = 179,284,205.90
  5. Step 5: Solve for x
    x = 179,284,205.90/15,240.16
  6. Step 6: Final answer
    x = 11,763.93

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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.