Home / 18,988.36-26,166.94-13,673.14

Finding the Fourth Proportional to 18,988.36, 26,166.94 and 13,673.14

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Solution

The fourth proportional to 18,988.36, 26,166.94 and 13,673.14 is: 18,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.36 : 26,166.94 = 13,673.14 : x
  2. Step 2: Convert to fraction form
    18,988.36/26,166.94 = 13,673.14/x
  3. Step 3: Cross multiply
    18,988.36x = 26,166.94 × 13,673.14
  4. Step 4: Simplify right side
    18,988.36x = 357,784,320.04
  5. Step 5: Solve for x
    x = 357,784,320.04/18,988.36
  6. Step 6: Final answer
    x = 18,842.29

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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.