Home / 12,919.03-19,366.66-5,026.80

Finding the Fourth Proportional to 12,919.03, 19,366.66 and 5,026.80

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Solution

The fourth proportional to 12,919.03, 19,366.66 and 5,026.80 is: 7,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919.03 : 19,366.66 = 5,026.80 : x
  2. Step 2: Convert to fraction form
    12,919.03/19,366.66 = 5,026.80/x
  3. Step 3: Cross multiply
    12,919.03x = 19,366.66 × 5,026.80
  4. Step 4: Simplify right side
    12,919.03x = 97,352,326.49
  5. Step 5: Solve for x
    x = 97,352,326.49/12,919.03
  6. Step 6: Final answer
    x = 7,535.58

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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.