Home / 19,170.60-26,455.24-11,211.32

Finding the Fourth Proportional to 19,170.60, 26,455.24 and 11,211.32

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Solution

The fourth proportional to 19,170.60, 26,455.24 and 11,211.32 is: 15,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.60 : 26,455.24 = 11,211.32 : x
  2. Step 2: Convert to fraction form
    19,170.60/26,455.24 = 11,211.32/x
  3. Step 3: Cross multiply
    19,170.60x = 26,455.24 × 11,211.32
  4. Step 4: Simplify right side
    19,170.60x = 296,598,161.32
  5. Step 5: Solve for x
    x = 296,598,161.32/19,170.60
  6. Step 6: Final answer
    x = 15,471.51

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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.