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Finding the Fourth Proportional to 9,269.67, 13,904.55 and 3,113.67

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Solution

The fourth proportional to 9,269.67, 13,904.55 and 3,113.67 is: 4,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.67 : 13,904.55 = 3,113.67 : x
  2. Step 2: Convert to fraction form
    9,269.67/13,904.55 = 3,113.67/x
  3. Step 3: Cross multiply
    9,269.67x = 13,904.55 × 3,113.67
  4. Step 4: Simplify right side
    9,269.67x = 43,294,180.20
  5. Step 5: Solve for x
    x = 43,294,180.20/9,269.67
  6. Step 6: Final answer
    x = 4,670.52

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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.