Home / 13,023.08-19,536.70-5,629.78

Finding the Fourth Proportional to 13,023.08, 19,536.70 and 5,629.78

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Solution

The fourth proportional to 13,023.08, 19,536.70 and 5,629.78 is: 8,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.08 : 19,536.70 = 5,629.78 : x
  2. Step 2: Convert to fraction form
    13,023.08/19,536.70 = 5,629.78/x
  3. Step 3: Cross multiply
    13,023.08x = 19,536.70 × 5,629.78
  4. Step 4: Simplify right side
    13,023.08x = 109,987,322.93
  5. Step 5: Solve for x
    x = 109,987,322.93/13,023.08
  6. Step 6: Final answer
    x = 8,445.57

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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.