Home / 10,678.10-16,012.35-4,102.10

Finding the Fourth Proportional to 10,678.10, 16,012.35 and 4,102.10

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Solution

The fourth proportional to 10,678.10, 16,012.35 and 4,102.10 is: 6,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.10 : 16,012.35 = 4,102.10 : x
  2. Step 2: Convert to fraction form
    10,678.10/16,012.35 = 4,102.10/x
  3. Step 3: Cross multiply
    10,678.10x = 16,012.35 × 4,102.10
  4. Step 4: Simplify right side
    10,678.10x = 65,684,260.94
  5. Step 5: Solve for x
    x = 65,684,260.94/10,678.10
  6. Step 6: Final answer
    x = 6,151.31

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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.