Home / 9,376.29-12,938.81-5,183.73

Finding the Fourth Proportional to 9,376.29, 12,938.81 and 5,183.73

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Solution

The fourth proportional to 9,376.29, 12,938.81 and 5,183.73 is: 7,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.29 : 12,938.81 = 5,183.73 : x
  2. Step 2: Convert to fraction form
    9,376.29/12,938.81 = 5,183.73/x
  3. Step 3: Cross multiply
    9,376.29x = 12,938.81 × 5,183.73
  4. Step 4: Simplify right side
    9,376.29x = 67,071,271.64
  5. Step 5: Solve for x
    x = 67,071,271.64/9,376.29
  6. Step 6: Final answer
    x = 7,153.28

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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.