Home / 20,172.67-30,259.01-6,322.75

Finding the Fourth Proportional to 20,172.67, 30,259.01 and 6,322.75

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Solution

The fourth proportional to 20,172.67, 30,259.01 and 6,322.75 is: 9,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172.67 : 30,259.01 = 6,322.75 : x
  2. Step 2: Convert to fraction form
    20,172.67/30,259.01 = 6,322.75/x
  3. Step 3: Cross multiply
    20,172.67x = 30,259.01 × 6,322.75
  4. Step 4: Simplify right side
    20,172.67x = 191,320,155.48
  5. Step 5: Solve for x
    x = 191,320,155.48/20,172.67
  6. Step 6: Final answer
    x = 9,484.13

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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.