Home / 20,188.48-30,284.26-6,149.70

Finding the Fourth Proportional to 20,188.48, 30,284.26 and 6,149.70

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Solution

The fourth proportional to 20,188.48, 30,284.26 and 6,149.70 is: 9,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.48 : 30,284.26 = 6,149.70 : x
  2. Step 2: Convert to fraction form
    20,188.48/30,284.26 = 6,149.70/x
  3. Step 3: Cross multiply
    20,188.48x = 30,284.26 × 6,149.70
  4. Step 4: Simplify right side
    20,188.48x = 186,238,962.30
  5. Step 5: Solve for x
    x = 186,238,962.30/20,188.48
  6. Step 6: Final answer
    x = 9,225.01

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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.