Home / 9,148.46-12,624.98-5,115.69

Finding the Fourth Proportional to 9,148.46, 12,624.98 and 5,115.69

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Solution

The fourth proportional to 9,148.46, 12,624.98 and 5,115.69 is: 7,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.46 : 12,624.98 = 5,115.69 : x
  2. Step 2: Convert to fraction form
    9,148.46/12,624.98 = 5,115.69/x
  3. Step 3: Cross multiply
    9,148.46x = 12,624.98 × 5,115.69
  4. Step 4: Simplify right side
    9,148.46x = 64,585,458.36
  5. Step 5: Solve for x
    x = 64,585,458.36/9,148.46
  6. Step 6: Final answer
    x = 7,059.71

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Half scale
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Double scale
Find fourth proportional to 9,149.46, 12,626.36 and 5,116.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.