Home / 19,360.75-26,713.71-11,400.07

Finding the Fourth Proportional to 19,360.75, 26,713.71 and 11,400.07

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Solution

The fourth proportional to 19,360.75, 26,713.71 and 11,400.07 is: 15,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.75 : 26,713.71 = 11,400.07 : x
  2. Step 2: Convert to fraction form
    19,360.75/26,713.71 = 11,400.07/x
  3. Step 3: Cross multiply
    19,360.75x = 26,713.71 × 11,400.07
  4. Step 4: Simplify right side
    19,360.75x = 304,538,163.96
  5. Step 5: Solve for x
    x = 304,538,163.96/19,360.75
  6. Step 6: Final answer
    x = 15,729.67

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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.