Home / 14,430.12-19,919.66-8,766.71

Finding the Fourth Proportional to 14,430.12, 19,919.66 and 8,766.71

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Solution

The fourth proportional to 14,430.12, 19,919.66 and 8,766.71 is: 12,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.12 : 19,919.66 = 8,766.71 : x
  2. Step 2: Convert to fraction form
    14,430.12/19,919.66 = 8,766.71/x
  3. Step 3: Cross multiply
    14,430.12x = 19,919.66 × 8,766.71
  4. Step 4: Simplify right side
    14,430.12x = 174,629,794.75
  5. Step 5: Solve for x
    x = 174,629,794.75/14,430.12
  6. Step 6: Final answer
    x = 12,101.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.