Home / 13,054.10-18,007.19-8,265.25

Finding the Fourth Proportional to 13,054.10, 18,007.19 and 8,265.25

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Solution

The fourth proportional to 13,054.10, 18,007.19 and 8,265.25 is: 11,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.10 : 18,007.19 = 8,265.25 : x
  2. Step 2: Convert to fraction form
    13,054.10/18,007.19 = 8,265.25/x
  3. Step 3: Cross multiply
    13,054.10x = 18,007.19 × 8,265.25
  4. Step 4: Simplify right side
    13,054.10x = 148,833,837.11
  5. Step 5: Solve for x
    x = 148,833,837.11/13,054.10
  6. Step 6: Final answer
    x = 11,401.31

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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.