Home / 13,819.26-19,070.58-7,531.64

Finding the Fourth Proportional to 13,819.26, 19,070.58 and 7,531.64

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Solution

The fourth proportional to 13,819.26, 19,070.58 and 7,531.64 is: 10,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.26 : 19,070.58 = 7,531.64 : x
  2. Step 2: Convert to fraction form
    13,819.26/19,070.58 = 7,531.64/x
  3. Step 3: Cross multiply
    13,819.26x = 19,070.58 × 7,531.64
  4. Step 4: Simplify right side
    13,819.26x = 143,632,743.15
  5. Step 5: Solve for x
    x = 143,632,743.15/13,819.26
  6. Step 6: Final answer
    x = 10,393.66

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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.