Home / 12,563.09-18,864.21-10,827.60

Finding the Fourth Proportional to 12,563.09, 18,864.21 and 10,827.60

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Solution

The fourth proportional to 12,563.09, 18,864.21 and 10,827.60 is: 16,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.09 : 18,864.21 = 10,827.60 : x
  2. Step 2: Convert to fraction form
    12,563.09/18,864.21 = 10,827.60/x
  3. Step 3: Cross multiply
    12,563.09x = 18,864.21 × 10,827.60
  4. Step 4: Simplify right side
    12,563.09x = 204,254,120.20
  5. Step 5: Solve for x
    x = 204,254,120.20/12,563.09
  6. Step 6: Final answer
    x = 16,258.28

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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.