Home / 13,988-20,982.01-4,628.02

Finding the Fourth Proportional to 13,988, 20,982.01 and 4,628.02

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Solution

The fourth proportional to 13,988, 20,982.01 and 4,628.02 is: 6,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988 : 20,982.01 = 4,628.02 : x
  2. Step 2: Convert to fraction form
    13,988/20,982.01 = 4,628.02/x
  3. Step 3: Cross multiply
    13,988x = 20,982.01 × 4,628.02
  4. Step 4: Simplify right side
    13,988x = 97,105,161.92
  5. Step 5: Solve for x
    x = 97,105,161.92/13,988
  6. Step 6: Final answer
    x = 6,942.03

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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.