Home / 19,445.85-26,830.71-11,489.27

Finding the Fourth Proportional to 19,445.85, 26,830.71 and 11,489.27

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Solution

The fourth proportional to 19,445.85, 26,830.71 and 11,489.27 is: 15,852.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.85 : 26,830.71 = 11,489.27 : x
  2. Step 2: Convert to fraction form
    19,445.85/26,830.71 = 11,489.27/x
  3. Step 3: Cross multiply
    19,445.85x = 26,830.71 × 11,489.27
  4. Step 4: Simplify right side
    19,445.85x = 308,265,137.33
  5. Step 5: Solve for x
    x = 308,265,137.33/19,445.85
  6. Step 6: Final answer
    x = 15,852.49

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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.