Home / 19,370.43-29,009.51-13,453.22

Finding the Fourth Proportional to 19,370.43, 29,009.51 and 13,453.22

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Solution

The fourth proportional to 19,370.43, 29,009.51 and 13,453.22 is: 20,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.43 : 29,009.51 = 13,453.22 : x
  2. Step 2: Convert to fraction form
    19,370.43/29,009.51 = 13,453.22/x
  3. Step 3: Cross multiply
    19,370.43x = 29,009.51 × 13,453.22
  4. Step 4: Simplify right side
    19,370.43x = 390,271,375.83
  5. Step 5: Solve for x
    x = 390,271,375.83/19,370.43
  6. Step 6: Final answer
    x = 20,147.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.