Home / 20,564.06-30,841.29-5,774.40

Finding the Fourth Proportional to 20,564.06, 30,841.29 and 5,774.40

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Solution

The fourth proportional to 20,564.06, 30,841.29 and 5,774.40 is: 8,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.06 : 30,841.29 = 5,774.40 : x
  2. Step 2: Convert to fraction form
    20,564.06/30,841.29 = 5,774.40/x
  3. Step 3: Cross multiply
    20,564.06x = 30,841.29 × 5,774.40
  4. Step 4: Simplify right side
    20,564.06x = 178,089,944.98
  5. Step 5: Solve for x
    x = 178,089,944.98/20,564.06
  6. Step 6: Final answer
    x = 8,660.25

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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.