Home / 12,635.51-18,946.55-3,868.07

Finding the Fourth Proportional to 12,635.51, 18,946.55 and 3,868.07

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Solution

The fourth proportional to 12,635.51, 18,946.55 and 3,868.07 is: 5,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.51 : 18,946.55 = 3,868.07 : x
  2. Step 2: Convert to fraction form
    12,635.51/18,946.55 = 3,868.07/x
  3. Step 3: Cross multiply
    12,635.51x = 18,946.55 × 3,868.07
  4. Step 4: Simplify right side
    12,635.51x = 73,286,496.60
  5. Step 5: Solve for x
    x = 73,286,496.60/12,635.51
  6. Step 6: Final answer
    x = 5,800.04

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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.