Home / 10,879.02-16,319.66-4,639.69

Finding the Fourth Proportional to 10,879.02, 16,319.66 and 4,639.69

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Solution

The fourth proportional to 10,879.02, 16,319.66 and 4,639.69 is: 6,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.02 : 16,319.66 = 4,639.69 : x
  2. Step 2: Convert to fraction form
    10,879.02/16,319.66 = 4,639.69/x
  3. Step 3: Cross multiply
    10,879.02x = 16,319.66 × 4,639.69
  4. Step 4: Simplify right side
    10,879.02x = 75,718,099.31
  5. Step 5: Solve for x
    x = 75,718,099.31/10,879.02
  6. Step 6: Final answer
    x = 6,960.01

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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.