Home / 19,147.21-26,430.36-11,192.02

Finding the Fourth Proportional to 19,147.21, 26,430.36 and 11,192.02

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Solution

The fourth proportional to 19,147.21, 26,430.36 and 11,192.02 is: 15,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.21 : 26,430.36 = 11,192.02 : x
  2. Step 2: Convert to fraction form
    19,147.21/26,430.36 = 11,192.02/x
  3. Step 3: Cross multiply
    19,147.21x = 26,430.36 × 11,192.02
  4. Step 4: Simplify right side
    19,147.21x = 295,809,117.73
  5. Step 5: Solve for x
    x = 295,809,117.73/19,147.21
  6. Step 6: Final answer
    x = 15,449.20

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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.