Home / 9,113.67-13,670.24-2,873.70

Finding the Fourth Proportional to 9,113.67, 13,670.24 and 2,873.70

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Solution

The fourth proportional to 9,113.67, 13,670.24 and 2,873.70 is: 4,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.67 : 13,670.24 = 2,873.70 : x
  2. Step 2: Convert to fraction form
    9,113.67/13,670.24 = 2,873.70/x
  3. Step 3: Cross multiply
    9,113.67x = 13,670.24 × 2,873.70
  4. Step 4: Simplify right side
    9,113.67x = 39,284,154.32
  5. Step 5: Solve for x
    x = 39,284,154.32/9,113.67
  6. Step 6: Final answer
    x = 4,310.46

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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.