Home / 10,251.06-15,374.81-2,855.55

Finding the Fourth Proportional to 10,251.06, 15,374.81 and 2,855.55

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Solution

The fourth proportional to 10,251.06, 15,374.81 and 2,855.55 is: 4,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.06 : 15,374.81 = 2,855.55 : x
  2. Step 2: Convert to fraction form
    10,251.06/15,374.81 = 2,855.55/x
  3. Step 3: Cross multiply
    10,251.06x = 15,374.81 × 2,855.55
  4. Step 4: Simplify right side
    10,251.06x = 43,903,603.49
  5. Step 5: Solve for x
    x = 43,903,603.49/10,251.06
  6. Step 6: Final answer
    x = 4,282.84

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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.