Home / 18,736.09-28,095.89-9,968.92

Finding the Fourth Proportional to 18,736.09, 28,095.89 and 9,968.92

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Solution

The fourth proportional to 18,736.09, 28,095.89 and 9,968.92 is: 14,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.09 : 28,095.89 = 9,968.92 : x
  2. Step 2: Convert to fraction form
    18,736.09/28,095.89 = 9,968.92/x
  3. Step 3: Cross multiply
    18,736.09x = 28,095.89 × 9,968.92
  4. Step 4: Simplify right side
    18,736.09x = 280,085,679.74
  5. Step 5: Solve for x
    x = 280,085,679.74/18,736.09
  6. Step 6: Final answer
    x = 14,948.99

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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.