Home / 19,219.01-28,832.36-8,125.65

Finding the Fourth Proportional to 19,219.01, 28,832.36 and 8,125.65

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Solution

The fourth proportional to 19,219.01, 28,832.36 and 8,125.65 is: 12,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.01 : 28,832.36 = 8,125.65 : x
  2. Step 2: Convert to fraction form
    19,219.01/28,832.36 = 8,125.65/x
  3. Step 3: Cross multiply
    19,219.01x = 28,832.36 × 8,125.65
  4. Step 4: Simplify right side
    19,219.01x = 234,281,625.41
  5. Step 5: Solve for x
    x = 234,281,625.41/19,219.01
  6. Step 6: Final answer
    x = 12,190.10

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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.