Home / 19,170.42-26,453.30-11,211.09

Finding the Fourth Proportional to 19,170.42, 26,453.30 and 11,211.09

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Solution

The fourth proportional to 19,170.42, 26,453.30 and 11,211.09 is: 15,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.42 : 26,453.30 = 11,211.09 : x
  2. Step 2: Convert to fraction form
    19,170.42/26,453.30 = 11,211.09/x
  3. Step 3: Cross multiply
    19,170.42x = 26,453.30 × 11,211.09
  4. Step 4: Simplify right side
    19,170.42x = 296,570,271.04
  5. Step 5: Solve for x
    x = 296,570,271.04/19,170.42
  6. Step 6: Final answer
    x = 15,470.20

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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.