Home / 12,574.80-18,855.36-5,071.68

Finding the Fourth Proportional to 12,574.80, 18,855.36 and 5,071.68

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Solution

The fourth proportional to 12,574.80, 18,855.36 and 5,071.68 is: 7,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.80 : 18,855.36 = 5,071.68 : x
  2. Step 2: Convert to fraction form
    12,574.80/18,855.36 = 5,071.68/x
  3. Step 3: Cross multiply
    12,574.80x = 18,855.36 × 5,071.68
  4. Step 4: Simplify right side
    12,574.80x = 95,628,352.20
  5. Step 5: Solve for x
    x = 95,628,352.20/12,574.80
  6. Step 6: Final answer
    x = 7,604.76

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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.