Home / 9,678.87-14,517.63-3,104.51

Finding the Fourth Proportional to 9,678.87, 14,517.63 and 3,104.51

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Solution

The fourth proportional to 9,678.87, 14,517.63 and 3,104.51 is: 4,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.87 : 14,517.63 = 3,104.51 : x
  2. Step 2: Convert to fraction form
    9,678.87/14,517.63 = 3,104.51/x
  3. Step 3: Cross multiply
    9,678.87x = 14,517.63 × 3,104.51
  4. Step 4: Simplify right side
    9,678.87x = 45,070,054.92
  5. Step 5: Solve for x
    x = 45,070,054.92/9,678.87
  6. Step 6: Final answer
    x = 4,656.54

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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.