Home / 14,087.28-21,133.36-4,728.22

Finding the Fourth Proportional to 14,087.28, 21,133.36 and 4,728.22

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Solution

The fourth proportional to 14,087.28, 21,133.36 and 4,728.22 is: 7,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.28 : 21,133.36 = 4,728.22 : x
  2. Step 2: Convert to fraction form
    14,087.28/21,133.36 = 4,728.22/x
  3. Step 3: Cross multiply
    14,087.28x = 21,133.36 × 4,728.22
  4. Step 4: Simplify right side
    14,087.28x = 99,923,220.77
  5. Step 5: Solve for x
    x = 99,923,220.77/14,087.28
  6. Step 6: Final answer
    x = 7,093.15

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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.