Home / 19,805.54-27,340.08-13,346.60

Finding the Fourth Proportional to 19,805.54, 27,340.08 and 13,346.60

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Solution

The fourth proportional to 19,805.54, 27,340.08 and 13,346.60 is: 18,423.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.54 : 27,340.08 = 13,346.60 : x
  2. Step 2: Convert to fraction form
    19,805.54/27,340.08 = 13,346.60/x
  3. Step 3: Cross multiply
    19,805.54x = 27,340.08 × 13,346.60
  4. Step 4: Simplify right side
    19,805.54x = 364,897,111.73
  5. Step 5: Solve for x
    x = 364,897,111.73/19,805.54
  6. Step 6: Final answer
    x = 18,423.99

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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.