Home / 9,616.56-13,271.44-5,425.08

Finding the Fourth Proportional to 9,616.56, 13,271.44 and 5,425.08

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Solution

The fourth proportional to 9,616.56, 13,271.44 and 5,425.08 is: 7,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616.56 : 13,271.44 = 5,425.08 : x
  2. Step 2: Convert to fraction form
    9,616.56/13,271.44 = 5,425.08/x
  3. Step 3: Cross multiply
    9,616.56x = 13,271.44 × 5,425.08
  4. Step 4: Simplify right side
    9,616.56x = 71,998,623.72
  5. Step 5: Solve for x
    x = 71,998,623.72/9,616.56
  6. Step 6: Final answer
    x = 7,486.94

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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.