Home / 20,484.14-30,735.77-10,618.03

Finding the Fourth Proportional to 20,484.14, 30,735.77 and 10,618.03

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Solution

The fourth proportional to 20,484.14, 30,735.77 and 10,618.03 is: 15,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.14 : 30,735.77 = 10,618.03 : x
  2. Step 2: Convert to fraction form
    20,484.14/30,735.77 = 10,618.03/x
  3. Step 3: Cross multiply
    20,484.14x = 30,735.77 × 10,618.03
  4. Step 4: Simplify right side
    20,484.14x = 326,353,405.47
  5. Step 5: Solve for x
    x = 326,353,405.47/20,484.14
  6. Step 6: Final answer
    x = 15,932.01

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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.