Home / 9,021.11-12,428.75-6,293.03

Finding the Fourth Proportional to 9,021.11, 12,428.75 and 6,293.03

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Solution

The fourth proportional to 9,021.11, 12,428.75 and 6,293.03 is: 8,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.11 : 12,428.75 = 6,293.03 : x
  2. Step 2: Convert to fraction form
    9,021.11/12,428.75 = 6,293.03/x
  3. Step 3: Cross multiply
    9,021.11x = 12,428.75 × 6,293.03
  4. Step 4: Simplify right side
    9,021.11x = 78,214,450.20
  5. Step 5: Solve for x
    x = 78,214,450.20/9,021.11
  6. Step 6: Final answer
    x = 8,670.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.