Home / 12,541.11-18,792.22-5,139.33

Finding the Fourth Proportional to 12,541.11, 18,792.22 and 5,139.33

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Solution

The fourth proportional to 12,541.11, 18,792.22 and 5,139.33 is: 7,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.11 : 18,792.22 = 5,139.33 : x
  2. Step 2: Convert to fraction form
    12,541.11/18,792.22 = 5,139.33/x
  3. Step 3: Cross multiply
    12,541.11x = 18,792.22 × 5,139.33
  4. Step 4: Simplify right side
    12,541.11x = 96,579,420.01
  5. Step 5: Solve for x
    x = 96,579,420.01/12,541.11
  6. Step 6: Final answer
    x = 7,701.03

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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.