Home / 10,783.24-16,181.02-4,207.90

Finding the Fourth Proportional to 10,783.24, 16,181.02 and 4,207.90

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Solution

The fourth proportional to 10,783.24, 16,181.02 and 4,207.90 is: 6,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.24 : 16,181.02 = 4,207.90 : x
  2. Step 2: Convert to fraction form
    10,783.24/16,181.02 = 4,207.90/x
  3. Step 3: Cross multiply
    10,783.24x = 16,181.02 × 4,207.90
  4. Step 4: Simplify right side
    10,783.24x = 68,088,114.06
  5. Step 5: Solve for x
    x = 68,088,114.06/10,783.24
  6. Step 6: Final answer
    x = 6,314.25

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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.