Home / 19,246.20-28,869.30-8,716.20

Finding the Fourth Proportional to 19,246.20, 28,869.30 and 8,716.20

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Solution

The fourth proportional to 19,246.20, 28,869.30 and 8,716.20 is: 13,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.20 : 28,869.30 = 8,716.20 : x
  2. Step 2: Convert to fraction form
    19,246.20/28,869.30 = 8,716.20/x
  3. Step 3: Cross multiply
    19,246.20x = 28,869.30 × 8,716.20
  4. Step 4: Simplify right side
    19,246.20x = 251,630,592.66
  5. Step 5: Solve for x
    x = 251,630,592.66/19,246.20
  6. Step 6: Final answer
    x = 13,074.30

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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.