Home / 12,813.70-19,226.48-4,913.57

Finding the Fourth Proportional to 12,813.70, 19,226.48 and 4,913.57

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Solution

The fourth proportional to 12,813.70, 19,226.48 and 4,913.57 is: 7,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.70 : 19,226.48 = 4,913.57 : x
  2. Step 2: Convert to fraction form
    12,813.70/19,226.48 = 4,913.57/x
  3. Step 3: Cross multiply
    12,813.70x = 19,226.48 × 4,913.57
  4. Step 4: Simplify right side
    12,813.70x = 94,470,655.33
  5. Step 5: Solve for x
    x = 94,470,655.33/12,813.70
  6. Step 6: Final answer
    x = 7,372.63

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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.