Home / 9,003.66-13,511.57-3,160.32

Finding the Fourth Proportional to 9,003.66, 13,511.57 and 3,160.32

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Solution

The fourth proportional to 9,003.66, 13,511.57 and 3,160.32 is: 4,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.66 : 13,511.57 = 3,160.32 : x
  2. Step 2: Convert to fraction form
    9,003.66/13,511.57 = 3,160.32/x
  3. Step 3: Cross multiply
    9,003.66x = 13,511.57 × 3,160.32
  4. Step 4: Simplify right side
    9,003.66x = 42,700,869.10
  5. Step 5: Solve for x
    x = 42,700,869.10/9,003.66
  6. Step 6: Final answer
    x = 4,742.61

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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.