Home / 19,131.70-26,397.63-11,170.31

Finding the Fourth Proportional to 19,131.70, 26,397.63 and 11,170.31

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Solution

The fourth proportional to 19,131.70, 26,397.63 and 11,170.31 is: 15,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.70 : 26,397.63 = 11,170.31 : x
  2. Step 2: Convert to fraction form
    19,131.70/26,397.63 = 11,170.31/x
  3. Step 3: Cross multiply
    19,131.70x = 26,397.63 × 11,170.31
  4. Step 4: Simplify right side
    19,131.70x = 294,869,710.37
  5. Step 5: Solve for x
    x = 294,869,710.37/19,131.70
  6. Step 6: Final answer
    x = 15,412.62

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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.