Home / 11,431.36-17,146.72-4,854.24

Finding the Fourth Proportional to 11,431.36, 17,146.72 and 4,854.24

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Solution

The fourth proportional to 11,431.36, 17,146.72 and 4,854.24 is: 7,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.36 : 17,146.72 = 4,854.24 : x
  2. Step 2: Convert to fraction form
    11,431.36/17,146.72 = 4,854.24/x
  3. Step 3: Cross multiply
    11,431.36x = 17,146.72 × 4,854.24
  4. Step 4: Simplify right side
    11,431.36x = 83,234,294.09
  5. Step 5: Solve for x
    x = 83,234,294.09/11,431.36
  6. Step 6: Final answer
    x = 7,281.22

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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.