Home / 13,739.94-18,961.10-7,452.32

Finding the Fourth Proportional to 13,739.94, 18,961.10 and 7,452.32

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Solution

The fourth proportional to 13,739.94, 18,961.10 and 7,452.32 is: 10,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.94 : 18,961.10 = 7,452.32 : x
  2. Step 2: Convert to fraction form
    13,739.94/18,961.10 = 7,452.32/x
  3. Step 3: Cross multiply
    13,739.94x = 18,961.10 × 7,452.32
  4. Step 4: Simplify right side
    13,739.94x = 141,304,184.75
  5. Step 5: Solve for x
    x = 141,304,184.75/13,739.94
  6. Step 6: Final answer
    x = 10,284.19

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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.