Home / 18,860.21-28,293.77-6,210.69

Finding the Fourth Proportional to 18,860.21, 28,293.77 and 6,210.69

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Solution

The fourth proportional to 18,860.21, 28,293.77 and 6,210.69 is: 9,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.21 : 28,293.77 = 6,210.69 : x
  2. Step 2: Convert to fraction form
    18,860.21/28,293.77 = 6,210.69/x
  3. Step 3: Cross multiply
    18,860.21x = 28,293.77 × 6,210.69
  4. Step 4: Simplify right side
    18,860.21x = 175,723,661.88
  5. Step 5: Solve for x
    x = 175,723,661.88/18,860.21
  6. Step 6: Final answer
    x = 9,317.16

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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.