Home / 10,639.94-15,959.91-2,848.55

Finding the Fourth Proportional to 10,639.94, 15,959.91 and 2,848.55

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Solution

The fourth proportional to 10,639.94, 15,959.91 and 2,848.55 is: 4,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.94 : 15,959.91 = 2,848.55 : x
  2. Step 2: Convert to fraction form
    10,639.94/15,959.91 = 2,848.55/x
  3. Step 3: Cross multiply
    10,639.94x = 15,959.91 × 2,848.55
  4. Step 4: Simplify right side
    10,639.94x = 45,462,601.63
  5. Step 5: Solve for x
    x = 45,462,601.63/10,639.94
  6. Step 6: Final answer
    x = 4,272.83

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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.