Home / 14,014.83-21,008.07-9,087.60

Finding the Fourth Proportional to 14,014.83, 21,008.07 and 9,087.60

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Solution

The fourth proportional to 14,014.83, 21,008.07 and 9,087.60 is: 13,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.83 : 21,008.07 = 9,087.60 : x
  2. Step 2: Convert to fraction form
    14,014.83/21,008.07 = 9,087.60/x
  3. Step 3: Cross multiply
    14,014.83x = 21,008.07 × 9,087.60
  4. Step 4: Simplify right side
    14,014.83x = 190,912,936.93
  5. Step 5: Solve for x
    x = 190,912,936.93/14,014.83
  6. Step 6: Final answer
    x = 13,622.21

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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.