Home / 14,021.16-21,003.12-8,738.88

Finding the Fourth Proportional to 14,021.16, 21,003.12 and 8,738.88

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Solution

The fourth proportional to 14,021.16, 21,003.12 and 8,738.88 is: 13,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.16 : 21,003.12 = 8,738.88 : x
  2. Step 2: Convert to fraction form
    14,021.16/21,003.12 = 8,738.88/x
  3. Step 3: Cross multiply
    14,021.16x = 21,003.12 × 8,738.88
  4. Step 4: Simplify right side
    14,021.16x = 183,543,745.31
  5. Step 5: Solve for x
    x = 183,543,745.31/14,021.16
  6. Step 6: Final answer
    x = 13,090.48

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1.5x scale

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.