Home / 13,327.65-18,393.24-7,664.23

Finding the Fourth Proportional to 13,327.65, 18,393.24 and 7,664.23

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Solution

The fourth proportional to 13,327.65, 18,393.24 and 7,664.23 is: 10,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.65 : 18,393.24 = 7,664.23 : x
  2. Step 2: Convert to fraction form
    13,327.65/18,393.24 = 7,664.23/x
  3. Step 3: Cross multiply
    13,327.65x = 18,393.24 × 7,664.23
  4. Step 4: Simplify right side
    13,327.65x = 140,969,891.52
  5. Step 5: Solve for x
    x = 140,969,891.52/13,327.65
  6. Step 6: Final answer
    x = 10,577.25

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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.