Home / 19,400.00-29,042.58-11,980.60

Finding the Fourth Proportional to 19,400.00, 29,042.58 and 11,980.60

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Solution

The fourth proportional to 19,400.00, 29,042.58 and 11,980.60 is: 17,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.00 : 29,042.58 = 11,980.60 : x
  2. Step 2: Convert to fraction form
    19,400.00/29,042.58 = 11,980.60/x
  3. Step 3: Cross multiply
    19,400.00x = 29,042.58 × 11,980.60
  4. Step 4: Simplify right side
    19,400.00x = 347,947,461.34
  5. Step 5: Solve for x
    x = 347,947,461.34/19,400.00
  6. Step 6: Final answer
    x = 17,935.44

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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.