Home / 20,133.68-30,188.60-6,089.45

Finding the Fourth Proportional to 20,133.68, 30,188.60 and 6,089.45

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Solution

The fourth proportional to 20,133.68, 30,188.60 and 6,089.45 is: 9,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.68 : 30,188.60 = 6,089.45 : x
  2. Step 2: Convert to fraction form
    20,133.68/30,188.60 = 6,089.45/x
  3. Step 3: Cross multiply
    20,133.68x = 30,188.60 × 6,089.45
  4. Step 4: Simplify right side
    20,133.68x = 183,831,939.82
  5. Step 5: Solve for x
    x = 183,831,939.82/20,133.68
  6. Step 6: Final answer
    x = 9,130.57

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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.