Home / 9,013.05-13,522.01-8,145.54

Finding the Fourth Proportional to 9,013.05, 13,522.01 and 8,145.54

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Solution

The fourth proportional to 9,013.05, 13,522.01 and 8,145.54 is: 12,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.05 : 13,522.01 = 8,145.54 : x
  2. Step 2: Convert to fraction form
    9,013.05/13,522.01 = 8,145.54/x
  3. Step 3: Cross multiply
    9,013.05x = 13,522.01 × 8,145.54
  4. Step 4: Simplify right side
    9,013.05x = 110,144,073.34
  5. Step 5: Solve for x
    x = 110,144,073.34/9,013.05
  6. Step 6: Final answer
    x = 12,220.51

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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.