Home / 9,353.72-12,908.04-5,376.08

Finding the Fourth Proportional to 9,353.72, 12,908.04 and 5,376.08

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Solution

The fourth proportional to 9,353.72, 12,908.04 and 5,376.08 is: 7,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.72 : 12,908.04 = 5,376.08 : x
  2. Step 2: Convert to fraction form
    9,353.72/12,908.04 = 5,376.08/x
  3. Step 3: Cross multiply
    9,353.72x = 12,908.04 × 5,376.08
  4. Step 4: Simplify right side
    9,353.72x = 69,394,655.68
  5. Step 5: Solve for x
    x = 69,394,655.68/9,353.72
  6. Step 6: Final answer
    x = 7,418.94

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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.