Home / 18,200.07-27,281.61-13,808.34

Finding the Fourth Proportional to 18,200.07, 27,281.61 and 13,808.34

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Solution

The fourth proportional to 18,200.07, 27,281.61 and 13,808.34 is: 20,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.07 : 27,281.61 = 13,808.34 : x
  2. Step 2: Convert to fraction form
    18,200.07/27,281.61 = 13,808.34/x
  3. Step 3: Cross multiply
    18,200.07x = 27,281.61 × 13,808.34
  4. Step 4: Simplify right side
    18,200.07x = 376,713,746.63
  5. Step 5: Solve for x
    x = 376,713,746.63/18,200.07
  6. Step 6: Final answer
    x = 20,698.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.