Home / 13,345.51-18,414.19-8,040.62

Finding the Fourth Proportional to 13,345.51, 18,414.19 and 8,040.62

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Solution

The fourth proportional to 13,345.51, 18,414.19 and 8,040.62 is: 11,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.51 : 18,414.19 = 8,040.62 : x
  2. Step 2: Convert to fraction form
    13,345.51/18,414.19 = 8,040.62/x
  3. Step 3: Cross multiply
    13,345.51x = 18,414.19 × 8,040.62
  4. Step 4: Simplify right side
    13,345.51x = 148,061,504.40
  5. Step 5: Solve for x
    x = 148,061,504.40/13,345.51
  6. Step 6: Final answer
    x = 11,094.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.