Home / 19,836.22-27,378.72-13,473.40

Finding the Fourth Proportional to 19,836.22, 27,378.72 and 13,473.40

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Solution

The fourth proportional to 19,836.22, 27,378.72 and 13,473.40 is: 18,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.22 : 27,378.72 = 13,473.40 : x
  2. Step 2: Convert to fraction form
    19,836.22/27,378.72 = 13,473.40/x
  3. Step 3: Cross multiply
    19,836.22x = 27,378.72 × 13,473.40
  4. Step 4: Simplify right side
    19,836.22x = 368,884,446.05
  5. Step 5: Solve for x
    x = 368,884,446.05/19,836.22
  6. Step 6: Final answer
    x = 18,596.51

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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.