Home / 18,852.76-28,291.26-10,090.12

Finding the Fourth Proportional to 18,852.76, 28,291.26 and 10,090.12

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Solution

The fourth proportional to 18,852.76, 28,291.26 and 10,090.12 is: 15,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.76 : 28,291.26 = 10,090.12 : x
  2. Step 2: Convert to fraction form
    18,852.76/28,291.26 = 10,090.12/x
  3. Step 3: Cross multiply
    18,852.76x = 28,291.26 × 10,090.12
  4. Step 4: Simplify right side
    18,852.76x = 285,462,208.35
  5. Step 5: Solve for x
    x = 285,462,208.35/18,852.76
  6. Step 6: Final answer
    x = 15,141.67

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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.