Home / 18,605.18-27,917.33-10,283.64

Finding the Fourth Proportional to 18,605.18, 27,917.33 and 10,283.64

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Solution

The fourth proportional to 18,605.18, 27,917.33 and 10,283.64 is: 15,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.18 : 27,917.33 = 10,283.64 : x
  2. Step 2: Convert to fraction form
    18,605.18/27,917.33 = 10,283.64/x
  3. Step 3: Cross multiply
    18,605.18x = 27,917.33 × 10,283.64
  4. Step 4: Simplify right side
    18,605.18x = 287,091,771.48
  5. Step 5: Solve for x
    x = 287,091,771.48/18,605.18
  6. Step 6: Final answer
    x = 15,430.74

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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.