Home / 19,290.22-26,609.43-11,330.98

Finding the Fourth Proportional to 19,290.22, 26,609.43 and 11,330.98

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Solution

The fourth proportional to 19,290.22, 26,609.43 and 11,330.98 is: 15,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.22 : 26,609.43 = 11,330.98 : x
  2. Step 2: Convert to fraction form
    19,290.22/26,609.43 = 11,330.98/x
  3. Step 3: Cross multiply
    19,290.22x = 26,609.43 × 11,330.98
  4. Step 4: Simplify right side
    19,290.22x = 301,510,919.14
  5. Step 5: Solve for x
    x = 301,510,919.14/19,290.22
  6. Step 6: Final answer
    x = 15,630.25

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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.