Home / 19,181.92-26,478.48-14,991.52

Finding the Fourth Proportional to 19,181.92, 26,478.48 and 14,991.52

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Solution

The fourth proportional to 19,181.92, 26,478.48 and 14,991.52 is: 20,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.92 : 26,478.48 = 14,991.52 : x
  2. Step 2: Convert to fraction form
    19,181.92/26,478.48 = 14,991.52/x
  3. Step 3: Cross multiply
    19,181.92x = 26,478.48 × 14,991.52
  4. Step 4: Simplify right side
    19,181.92x = 396,952,662.49
  5. Step 5: Solve for x
    x = 396,952,662.49/19,181.92
  6. Step 6: Final answer
    x = 20,694.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.