Home / 19,141.40-26,409.03-11,585.31

Finding the Fourth Proportional to 19,141.40, 26,409.03 and 11,585.31

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Solution

The fourth proportional to 19,141.40, 26,409.03 and 11,585.31 is: 15,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.40 : 26,409.03 = 11,585.31 : x
  2. Step 2: Convert to fraction form
    19,141.40/26,409.03 = 11,585.31/x
  3. Step 3: Cross multiply
    19,141.40x = 26,409.03 × 11,585.31
  4. Step 4: Simplify right side
    19,141.40x = 305,956,799.35
  5. Step 5: Solve for x
    x = 305,956,799.35/19,141.40
  6. Step 6: Final answer
    x = 15,984.04

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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.