Home / 20,544.89-30,820.86-6,504.71

Finding the Fourth Proportional to 20,544.89, 30,820.86 and 6,504.71

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Solution

The fourth proportional to 20,544.89, 30,820.86 and 6,504.71 is: 9,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.89 : 30,820.86 = 6,504.71 : x
  2. Step 2: Convert to fraction form
    20,544.89/30,820.86 = 6,504.71/x
  3. Step 3: Cross multiply
    20,544.89x = 30,820.86 × 6,504.71
  4. Step 4: Simplify right side
    20,544.89x = 200,480,602.15
  5. Step 5: Solve for x
    x = 200,480,602.15/20,544.89
  6. Step 6: Final answer
    x = 9,758.18

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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.