Home / 13,078.14-19,617.22-5,292.42

Finding the Fourth Proportional to 13,078.14, 19,617.22 and 5,292.42

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Solution

The fourth proportional to 13,078.14, 19,617.22 and 5,292.42 is: 7,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.14 : 19,617.22 = 5,292.42 : x
  2. Step 2: Convert to fraction form
    13,078.14/19,617.22 = 5,292.42/x
  3. Step 3: Cross multiply
    13,078.14x = 19,617.22 × 5,292.42
  4. Step 4: Simplify right side
    13,078.14x = 103,822,541.01
  5. Step 5: Solve for x
    x = 103,822,541.01/13,078.14
  6. Step 6: Final answer
    x = 7,938.63

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Double scale
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Similar ratio
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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.