Home / 14,618.88-21,877.29-11,955.60

Finding the Fourth Proportional to 14,618.88, 21,877.29 and 11,955.60

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Solution

The fourth proportional to 14,618.88, 21,877.29 and 11,955.60 is: 17,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.88 : 21,877.29 = 11,955.60 : x
  2. Step 2: Convert to fraction form
    14,618.88/21,877.29 = 11,955.60/x
  3. Step 3: Cross multiply
    14,618.88x = 21,877.29 × 11,955.60
  4. Step 4: Simplify right side
    14,618.88x = 261,556,128.32
  5. Step 5: Solve for x
    x = 261,556,128.32/14,618.88
  6. Step 6: Final answer
    x = 17,891.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.