Home / 19,434.73-26,821.97-11,477.70

Finding the Fourth Proportional to 19,434.73, 26,821.97 and 11,477.70

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Solution

The fourth proportional to 19,434.73, 26,821.97 and 11,477.70 is: 15,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.73 : 26,821.97 = 11,477.70 : x
  2. Step 2: Convert to fraction form
    19,434.73/26,821.97 = 11,477.70/x
  3. Step 3: Cross multiply
    19,434.73x = 26,821.97 × 11,477.70
  4. Step 4: Simplify right side
    19,434.73x = 307,854,333.57
  5. Step 5: Solve for x
    x = 307,854,333.57/19,434.73
  6. Step 6: Final answer
    x = 15,840.42

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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.