Home / 12,853.26-19,282.50-5,457.69

Finding the Fourth Proportional to 12,853.26, 19,282.50 and 5,457.69

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Solution

The fourth proportional to 12,853.26, 19,282.50 and 5,457.69 is: 8,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.26 : 19,282.50 = 5,457.69 : x
  2. Step 2: Convert to fraction form
    12,853.26/19,282.50 = 5,457.69/x
  3. Step 3: Cross multiply
    12,853.26x = 19,282.50 × 5,457.69
  4. Step 4: Simplify right side
    12,853.26x = 105,237,907.43
  5. Step 5: Solve for x
    x = 105,237,907.43/12,853.26
  6. Step 6: Final answer
    x = 8,187.64

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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.