Home / 19,212.75-26,514-10,829.25

Finding the Fourth Proportional to 19,212.75, 26,514 and 10,829.25

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Solution

The fourth proportional to 19,212.75, 26,514 and 10,829.25 is: 14,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.75 : 26,514 = 10,829.25 : x
  2. Step 2: Convert to fraction form
    19,212.75/26,514 = 10,829.25/x
  3. Step 3: Cross multiply
    19,212.75x = 26,514 × 10,829.25
  4. Step 4: Simplify right side
    19,212.75x = 287,126,734.50
  5. Step 5: Solve for x
    x = 287,126,734.50/19,212.75
  6. Step 6: Final answer
    x = 14,944.59

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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.