Home / 19,811.33-27,339.05-10,858.67

Finding the Fourth Proportional to 19,811.33, 27,339.05 and 10,858.67

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Solution

The fourth proportional to 19,811.33, 27,339.05 and 10,858.67 is: 14,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.33 : 27,339.05 = 10,858.67 : x
  2. Step 2: Convert to fraction form
    19,811.33/27,339.05 = 10,858.67/x
  3. Step 3: Cross multiply
    19,811.33x = 27,339.05 × 10,858.67
  4. Step 4: Simplify right side
    19,811.33x = 296,865,531.07
  5. Step 5: Solve for x
    x = 296,865,531.07/19,811.33
  6. Step 6: Final answer
    x = 14,984.64

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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.