Home / 9,154.85-13,733.64-2,912.81

Finding the Fourth Proportional to 9,154.85, 13,733.64 and 2,912.81

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Solution

The fourth proportional to 9,154.85, 13,733.64 and 2,912.81 is: 4,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.85 : 13,733.64 = 2,912.81 : x
  2. Step 2: Convert to fraction form
    9,154.85/13,733.64 = 2,912.81/x
  3. Step 3: Cross multiply
    9,154.85x = 13,733.64 × 2,912.81
  4. Step 4: Simplify right side
    9,154.85x = 40,003,415.26
  5. Step 5: Solve for x
    x = 40,003,415.26/9,154.85
  6. Step 6: Final answer
    x = 4,369.64

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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.