Home / 10,730.16-16,101-4,489.20

Finding the Fourth Proportional to 10,730.16, 16,101 and 4,489.20

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Solution

The fourth proportional to 10,730.16, 16,101 and 4,489.20 is: 6,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.16 : 16,101 = 4,489.20 : x
  2. Step 2: Convert to fraction form
    10,730.16/16,101 = 4,489.20/x
  3. Step 3: Cross multiply
    10,730.16x = 16,101 × 4,489.20
  4. Step 4: Simplify right side
    10,730.16x = 72,280,609.20
  5. Step 5: Solve for x
    x = 72,280,609.20/10,730.16
  6. Step 6: Final answer
    x = 6,736.21

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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.