Home / 13,818.99-19,059.60-9,335.64

Finding the Fourth Proportional to 13,818.99, 19,059.60 and 9,335.64

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Solution

The fourth proportional to 13,818.99, 19,059.60 and 9,335.64 is: 12,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.99 : 19,059.60 = 9,335.64 : x
  2. Step 2: Convert to fraction form
    13,818.99/19,059.60 = 9,335.64/x
  3. Step 3: Cross multiply
    13,818.99x = 19,059.60 × 9,335.64
  4. Step 4: Simplify right side
    13,818.99x = 177,933,564.14
  5. Step 5: Solve for x
    x = 177,933,564.14/13,818.99
  6. Step 6: Final answer
    x = 12,876.02

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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.