Home / 13,244.10-19,842.79-6,990.33

Finding the Fourth Proportional to 13,244.10, 19,842.79 and 6,990.33

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Solution

The fourth proportional to 13,244.10, 19,842.79 and 6,990.33 is: 10,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.10 : 19,842.79 = 6,990.33 : x
  2. Step 2: Convert to fraction form
    13,244.10/19,842.79 = 6,990.33/x
  3. Step 3: Cross multiply
    13,244.10x = 19,842.79 × 6,990.33
  4. Step 4: Simplify right side
    13,244.10x = 138,707,650.22
  5. Step 5: Solve for x
    x = 138,707,650.22/13,244.10
  6. Step 6: Final answer
    x = 10,473.17

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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.