Home / 19,074.75-26,330.31-11,119.47

Finding the Fourth Proportional to 19,074.75, 26,330.31 and 11,119.47

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Solution

The fourth proportional to 19,074.75, 26,330.31 and 11,119.47 is: 15,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.75 : 26,330.31 = 11,119.47 : x
  2. Step 2: Convert to fraction form
    19,074.75/26,330.31 = 11,119.47/x
  3. Step 3: Cross multiply
    19,074.75x = 26,330.31 × 11,119.47
  4. Step 4: Simplify right side
    19,074.75x = 292,779,092.14
  5. Step 5: Solve for x
    x = 292,779,092.14/19,074.75
  6. Step 6: Final answer
    x = 15,349.04

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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.