Home / 19,460.54-26,834.19-13,161.98

Finding the Fourth Proportional to 19,460.54, 26,834.19 and 13,161.98

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Solution

The fourth proportional to 19,460.54, 26,834.19 and 13,161.98 is: 18,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.54 : 26,834.19 = 13,161.98 : x
  2. Step 2: Convert to fraction form
    19,460.54/26,834.19 = 13,161.98/x
  3. Step 3: Cross multiply
    19,460.54x = 26,834.19 × 13,161.98
  4. Step 4: Simplify right side
    19,460.54x = 353,191,072.10
  5. Step 5: Solve for x
    x = 353,191,072.10/19,460.54
  6. Step 6: Final answer
    x = 18,149.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.