Home / 13,577.02-18,736.82-7,608.63

Finding the Fourth Proportional to 13,577.02, 18,736.82 and 7,608.63

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Solution

The fourth proportional to 13,577.02, 18,736.82 and 7,608.63 is: 10,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.02 : 18,736.82 = 7,608.63 : x
  2. Step 2: Convert to fraction form
    13,577.02/18,736.82 = 7,608.63/x
  3. Step 3: Cross multiply
    13,577.02x = 18,736.82 × 7,608.63
  4. Step 4: Simplify right side
    13,577.02x = 142,561,591.51
  5. Step 5: Solve for x
    x = 142,561,591.51/13,577.02
  6. Step 6: Final answer
    x = 10,500.21

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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.