Home / 20,009.53-30,015.81-5,968.46

Finding the Fourth Proportional to 20,009.53, 30,015.81 and 5,968.46

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Solution

The fourth proportional to 20,009.53, 30,015.81 and 5,968.46 is: 8,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.53 : 30,015.81 = 5,968.46 : x
  2. Step 2: Convert to fraction form
    20,009.53/30,015.81 = 5,968.46/x
  3. Step 3: Cross multiply
    20,009.53x = 30,015.81 × 5,968.46
  4. Step 4: Simplify right side
    20,009.53x = 179,147,981.43
  5. Step 5: Solve for x
    x = 179,147,981.43/20,009.53
  6. Step 6: Final answer
    x = 8,953.14

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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.