Home / 14,177.76-21,233.68-13,685.60

Finding the Fourth Proportional to 14,177.76, 21,233.68 and 13,685.60

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Solution

The fourth proportional to 14,177.76, 21,233.68 and 13,685.60 is: 20,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.76 : 21,233.68 = 13,685.60 : x
  2. Step 2: Convert to fraction form
    14,177.76/21,233.68 = 13,685.60/x
  3. Step 3: Cross multiply
    14,177.76x = 21,233.68 × 13,685.60
  4. Step 4: Simplify right side
    14,177.76x = 290,595,651.01
  5. Step 5: Solve for x
    x = 290,595,651.01/14,177.76
  6. Step 6: Final answer
    x = 20,496.58

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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.