Home / 12,928.68-19,377.34-5,899.06

Finding the Fourth Proportional to 12,928.68, 19,377.34 and 5,899.06

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Solution

The fourth proportional to 12,928.68, 19,377.34 and 5,899.06 is: 8,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928.68 : 19,377.34 = 5,899.06 : x
  2. Step 2: Convert to fraction form
    12,928.68/19,377.34 = 5,899.06/x
  3. Step 3: Cross multiply
    12,928.68x = 19,377.34 × 5,899.06
  4. Step 4: Simplify right side
    12,928.68x = 114,308,028.11
  5. Step 5: Solve for x
    x = 114,308,028.11/12,928.68
  6. Step 6: Final answer
    x = 8,841.43

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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.