Home / 15,976.05-23,965.83-4,290.18

Finding the Fourth Proportional to 15,976.05, 23,965.83 and 4,290.18

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Solution

The fourth proportional to 15,976.05, 23,965.83 and 4,290.18 is: 6,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.05 : 23,965.83 = 4,290.18 : x
  2. Step 2: Convert to fraction form
    15,976.05/23,965.83 = 4,290.18/x
  3. Step 3: Cross multiply
    15,976.05x = 23,965.83 × 4,290.18
  4. Step 4: Simplify right side
    15,976.05x = 102,817,724.55
  5. Step 5: Solve for x
    x = 102,817,724.55/15,976.05
  6. Step 6: Final answer
    x = 6,435.74

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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.