Home / 19,259.04-28,891.60-8,165.80

Finding the Fourth Proportional to 19,259.04, 28,891.60 and 8,165.80

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Solution

The fourth proportional to 19,259.04, 28,891.60 and 8,165.80 is: 12,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.04 : 28,891.60 = 8,165.80 : x
  2. Step 2: Convert to fraction form
    19,259.04/28,891.60 = 8,165.80/x
  3. Step 3: Cross multiply
    19,259.04x = 28,891.60 × 8,165.80
  4. Step 4: Simplify right side
    19,259.04x = 235,923,027.28
  5. Step 5: Solve for x
    x = 235,923,027.28/19,259.04
  6. Step 6: Final answer
    x = 12,249.99

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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.