Home / 19,181.35-28,775.95-8,088.05

Finding the Fourth Proportional to 19,181.35, 28,775.95 and 8,088.05

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Solution

The fourth proportional to 19,181.35, 28,775.95 and 8,088.05 is: 12,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.35 : 28,775.95 = 8,088.05 : x
  2. Step 2: Convert to fraction form
    19,181.35/28,775.95 = 8,088.05/x
  3. Step 3: Cross multiply
    19,181.35x = 28,775.95 × 8,088.05
  4. Step 4: Simplify right side
    19,181.35x = 232,741,281.96
  5. Step 5: Solve for x
    x = 232,741,281.96/19,181.35
  6. Step 6: Final answer
    x = 12,133.73

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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.