Home / 12,884.09-19,331.63-5,492.03

Finding the Fourth Proportional to 12,884.09, 19,331.63 and 5,492.03

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Solution

The fourth proportional to 12,884.09, 19,331.63 and 5,492.03 is: 8,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.09 : 19,331.63 = 5,492.03 : x
  2. Step 2: Convert to fraction form
    12,884.09/19,331.63 = 5,492.03/x
  3. Step 3: Cross multiply
    12,884.09x = 19,331.63 × 5,492.03
  4. Step 4: Simplify right side
    12,884.09x = 106,169,891.91
  5. Step 5: Solve for x
    x = 106,169,891.91/12,884.09
  6. Step 6: Final answer
    x = 8,240.39

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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.