Home / 13,080.42-19,628.99-4,759.64

Finding the Fourth Proportional to 13,080.42, 19,628.99 and 4,759.64

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Solution

The fourth proportional to 13,080.42, 19,628.99 and 4,759.64 is: 7,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.42 : 19,628.99 = 4,759.64 : x
  2. Step 2: Convert to fraction form
    13,080.42/19,628.99 = 4,759.64/x
  3. Step 3: Cross multiply
    13,080.42x = 19,628.99 × 4,759.64
  4. Step 4: Simplify right side
    13,080.42x = 93,426,804.02
  5. Step 5: Solve for x
    x = 93,426,804.02/13,080.42
  6. Step 6: Final answer
    x = 7,142.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.