Home / 13,819.02-19,069.74-7,531.26

Finding the Fourth Proportional to 13,819.02, 19,069.74 and 7,531.26

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Solution

The fourth proportional to 13,819.02, 19,069.74 and 7,531.26 is: 10,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.02 : 19,069.74 = 7,531.26 : x
  2. Step 2: Convert to fraction form
    13,819.02/19,069.74 = 7,531.26/x
  3. Step 3: Cross multiply
    13,819.02x = 19,069.74 × 7,531.26
  4. Step 4: Simplify right side
    13,819.02x = 143,619,170.07
  5. Step 5: Solve for x
    x = 143,619,170.07/13,819.02
  6. Step 6: Final answer
    x = 10,392.86

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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.