Home / 13,829.54-19,091.27-10,809.05

Finding the Fourth Proportional to 13,829.54, 19,091.27 and 10,809.05

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Solution

The fourth proportional to 13,829.54, 19,091.27 and 10,809.05 is: 14,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.54 : 19,091.27 = 10,809.05 : x
  2. Step 2: Convert to fraction form
    13,829.54/19,091.27 = 10,809.05/x
  3. Step 3: Cross multiply
    13,829.54x = 19,091.27 × 10,809.05
  4. Step 4: Simplify right side
    13,829.54x = 206,358,342.49
  5. Step 5: Solve for x
    x = 206,358,342.49/13,829.54
  6. Step 6: Final answer
    x = 14,921.57

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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.