Home / 14,019.21-21,014.62-9,091.98

Finding the Fourth Proportional to 14,019.21, 21,014.62 and 9,091.98

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Solution

The fourth proportional to 14,019.21, 21,014.62 and 9,091.98 is: 13,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.21 : 21,014.62 = 9,091.98 : x
  2. Step 2: Convert to fraction form
    14,019.21/21,014.62 = 9,091.98/x
  3. Step 3: Cross multiply
    14,019.21x = 21,014.62 × 9,091.98
  4. Step 4: Simplify right side
    14,019.21x = 191,064,504.75
  5. Step 5: Solve for x
    x = 191,064,504.75/14,019.21
  6. Step 6: Final answer
    x = 13,628.76

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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.