Home / 19,110.74-26,378.26-11,157.35

Finding the Fourth Proportional to 19,110.74, 26,378.26 and 11,157.35

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Solution

The fourth proportional to 19,110.74, 26,378.26 and 11,157.35 is: 15,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.74 : 26,378.26 = 11,157.35 : x
  2. Step 2: Convert to fraction form
    19,110.74/26,378.26 = 11,157.35/x
  3. Step 3: Cross multiply
    19,110.74x = 26,378.26 × 11,157.35
  4. Step 4: Simplify right side
    19,110.74x = 294,311,319.43
  5. Step 5: Solve for x
    x = 294,311,319.43/19,110.74
  6. Step 6: Final answer
    x = 15,400.31

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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.