Home / 19,288.63-26,618.07-11,331.58

Finding the Fourth Proportional to 19,288.63, 26,618.07 and 11,331.58

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Solution

The fourth proportional to 19,288.63, 26,618.07 and 11,331.58 is: 15,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.63 : 26,618.07 = 11,331.58 : x
  2. Step 2: Convert to fraction form
    19,288.63/26,618.07 = 11,331.58/x
  3. Step 3: Cross multiply
    19,288.63x = 26,618.07 × 11,331.58
  4. Step 4: Simplify right side
    19,288.63x = 301,624,789.65
  5. Step 5: Solve for x
    x = 301,624,789.65/19,288.63
  6. Step 6: Final answer
    x = 15,637.44

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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.