Home / 13,884.53-19,140.72-9,898.73

Finding the Fourth Proportional to 13,884.53, 19,140.72 and 9,898.73

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Solution

The fourth proportional to 13,884.53, 19,140.72 and 9,898.73 is: 13,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.53 : 19,140.72 = 9,898.73 : x
  2. Step 2: Convert to fraction form
    13,884.53/19,140.72 = 9,898.73/x
  3. Step 3: Cross multiply
    13,884.53x = 19,140.72 × 9,898.73
  4. Step 4: Simplify right side
    13,884.53x = 189,468,723.58
  5. Step 5: Solve for x
    x = 189,468,723.58/13,884.53
  6. Step 6: Final answer
    x = 13,646.03

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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.