Home / 9,180.69-12,673.67-5,402.65

Finding the Fourth Proportional to 9,180.69, 12,673.67 and 5,402.65

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Solution

The fourth proportional to 9,180.69, 12,673.67 and 5,402.65 is: 7,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.69 : 12,673.67 = 5,402.65 : x
  2. Step 2: Convert to fraction form
    9,180.69/12,673.67 = 5,402.65/x
  3. Step 3: Cross multiply
    9,180.69x = 12,673.67 × 5,402.65
  4. Step 4: Simplify right side
    9,180.69x = 68,471,368.29
  5. Step 5: Solve for x
    x = 68,471,368.29/9,180.69
  6. Step 6: Final answer
    x = 7,458.19

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Half scale
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Double scale
Find fourth proportional to 9,181.69, 12,675.05 and 5,403.65
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.