Home / 9,127.12-13,690.68-3,583.08

Finding the Fourth Proportional to 9,127.12, 13,690.68 and 3,583.08

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Solution

The fourth proportional to 9,127.12, 13,690.68 and 3,583.08 is: 5,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.12 : 13,690.68 = 3,583.08 : x
  2. Step 2: Convert to fraction form
    9,127.12/13,690.68 = 3,583.08/x
  3. Step 3: Cross multiply
    9,127.12x = 13,690.68 × 3,583.08
  4. Step 4: Simplify right side
    9,127.12x = 49,054,733.24
  5. Step 5: Solve for x
    x = 49,054,733.24/9,127.12
  6. Step 6: Final answer
    x = 5,374.61

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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.