Home / 18,704.48-28,050.63-6,221.15

Finding the Fourth Proportional to 18,704.48, 28,050.63 and 6,221.15

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Solution

The fourth proportional to 18,704.48, 28,050.63 and 6,221.15 is: 9,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.48 : 28,050.63 = 6,221.15 : x
  2. Step 2: Convert to fraction form
    18,704.48/28,050.63 = 6,221.15/x
  3. Step 3: Cross multiply
    18,704.48x = 28,050.63 × 6,221.15
  4. Step 4: Simplify right side
    18,704.48x = 174,507,176.82
  5. Step 5: Solve for x
    x = 174,507,176.82/18,704.48
  6. Step 6: Final answer
    x = 9,329.70

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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.