Home / 9,104.24-13,656.84-5,212.40

Finding the Fourth Proportional to 9,104.24, 13,656.84 and 5,212.40

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Solution

The fourth proportional to 9,104.24, 13,656.84 and 5,212.40 is: 7,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.24 : 13,656.84 = 5,212.40 : x
  2. Step 2: Convert to fraction form
    9,104.24/13,656.84 = 5,212.40/x
  3. Step 3: Cross multiply
    9,104.24x = 13,656.84 × 5,212.40
  4. Step 4: Simplify right side
    9,104.24x = 71,184,912.82
  5. Step 5: Solve for x
    x = 71,184,912.82/9,104.24
  6. Step 6: Final answer
    x = 7,818.87

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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.