Home / 9,020.70-13,525.92-7,166.34

Finding the Fourth Proportional to 9,020.70, 13,525.92 and 7,166.34

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Solution

The fourth proportional to 9,020.70, 13,525.92 and 7,166.34 is: 10,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.70 : 13,525.92 = 7,166.34 : x
  2. Step 2: Convert to fraction form
    9,020.70/13,525.92 = 7,166.34/x
  3. Step 3: Cross multiply
    9,020.70x = 13,525.92 × 7,166.34
  4. Step 4: Simplify right side
    9,020.70x = 96,931,341.53
  5. Step 5: Solve for x
    x = 96,931,341.53/9,020.70
  6. Step 6: Final answer
    x = 10,745.43

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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.