Home / 19,341.08-26,698.12-11,383.64

Finding the Fourth Proportional to 19,341.08, 26,698.12 and 11,383.64

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Solution

The fourth proportional to 19,341.08, 26,698.12 and 11,383.64 is: 15,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.08 : 26,698.12 = 11,383.64 : x
  2. Step 2: Convert to fraction form
    19,341.08/26,698.12 = 11,383.64/x
  3. Step 3: Cross multiply
    19,341.08x = 26,698.12 × 11,383.64
  4. Step 4: Simplify right side
    19,341.08x = 303,921,786.76
  5. Step 5: Solve for x
    x = 303,921,786.76/19,341.08
  6. Step 6: Final answer
    x = 15,713.80

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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.