Home / 19,471.92-26,875.74-11,409.36

Finding the Fourth Proportional to 19,471.92, 26,875.74 and 11,409.36

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Solution

The fourth proportional to 19,471.92, 26,875.74 and 11,409.36 is: 15,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.92 : 26,875.74 = 11,409.36 : x
  2. Step 2: Convert to fraction form
    19,471.92/26,875.74 = 11,409.36/x
  3. Step 3: Cross multiply
    19,471.92x = 26,875.74 × 11,409.36
  4. Step 4: Simplify right side
    19,471.92x = 306,634,992.93
  5. Step 5: Solve for x
    x = 306,634,992.93/19,471.92
  6. Step 6: Final answer
    x = 15,747.55

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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.