Home / 13,465.38-18,583.23-7,801.65

Finding the Fourth Proportional to 13,465.38, 18,583.23 and 7,801.65

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Solution

The fourth proportional to 13,465.38, 18,583.23 and 7,801.65 is: 10,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.38 : 18,583.23 = 7,801.65 : x
  2. Step 2: Convert to fraction form
    13,465.38/18,583.23 = 7,801.65/x
  3. Step 3: Cross multiply
    13,465.38x = 18,583.23 × 7,801.65
  4. Step 4: Simplify right side
    13,465.38x = 144,979,856.33
  5. Step 5: Solve for x
    x = 144,979,856.33/13,465.38
  6. Step 6: Final answer
    x = 10,766.86

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Double scale
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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.