Home / 19,701.94-27,186.73-13,746.41

Finding the Fourth Proportional to 19,701.94, 27,186.73 and 13,746.41

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Solution

The fourth proportional to 19,701.94, 27,186.73 and 13,746.41 is: 18,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.94 : 27,186.73 = 13,746.41 : x
  2. Step 2: Convert to fraction form
    19,701.94/27,186.73 = 13,746.41/x
  3. Step 3: Cross multiply
    19,701.94x = 27,186.73 × 13,746.41
  4. Step 4: Simplify right side
    19,701.94x = 373,719,937.14
  5. Step 5: Solve for x
    x = 373,719,937.14/19,701.94
  6. Step 6: Final answer
    x = 18,968.69

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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.