Home / 11,454.81-17,260.26-9,420.39

Finding the Fourth Proportional to 11,454.81, 17,260.26 and 9,420.39

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Solution

The fourth proportional to 11,454.81, 17,260.26 and 9,420.39 is: 14,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.81 : 17,260.26 = 9,420.39 : x
  2. Step 2: Convert to fraction form
    11,454.81/17,260.26 = 9,420.39/x
  3. Step 3: Cross multiply
    11,454.81x = 17,260.26 × 9,420.39
  4. Step 4: Simplify right side
    11,454.81x = 162,598,333.60
  5. Step 5: Solve for x
    x = 162,598,333.60/11,454.81
  6. Step 6: Final answer
    x = 14,194.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.