Home / 19,905.66-27,453.68-12,346.74

Finding the Fourth Proportional to 19,905.66, 27,453.68 and 12,346.74

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Solution

The fourth proportional to 19,905.66, 27,453.68 and 12,346.74 is: 17,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.66 : 27,453.68 = 12,346.74 : x
  2. Step 2: Convert to fraction form
    19,905.66/27,453.68 = 12,346.74/x
  3. Step 3: Cross multiply
    19,905.66x = 27,453.68 × 12,346.74
  4. Step 4: Simplify right side
    19,905.66x = 338,963,449.00
  5. Step 5: Solve for x
    x = 338,963,449.00/19,905.66
  6. Step 6: Final answer
    x = 17,028.50

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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.