Home / 18,590.04-27,903.29-13,645.67

Finding the Fourth Proportional to 18,590.04, 27,903.29 and 13,645.67

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Solution

The fourth proportional to 18,590.04, 27,903.29 and 13,645.67 is: 20,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.04 : 27,903.29 = 13,645.67 : x
  2. Step 2: Convert to fraction form
    18,590.04/27,903.29 = 13,645.67/x
  3. Step 3: Cross multiply
    18,590.04x = 27,903.29 × 13,645.67
  4. Step 4: Simplify right side
    18,590.04x = 380,758,879.51
  5. Step 5: Solve for x
    x = 380,758,879.51/18,590.04
  6. Step 6: Final answer
    x = 20,481.88

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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.