Home / 13,341.18-18,411.03-7,373.37

Finding the Fourth Proportional to 13,341.18, 18,411.03 and 7,373.37

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Solution

The fourth proportional to 13,341.18, 18,411.03 and 7,373.37 is: 10,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.18 : 18,411.03 = 7,373.37 : x
  2. Step 2: Convert to fraction form
    13,341.18/18,411.03 = 7,373.37/x
  3. Step 3: Cross multiply
    13,341.18x = 18,411.03 × 7,373.37
  4. Step 4: Simplify right side
    13,341.18x = 135,751,336.27
  5. Step 5: Solve for x
    x = 135,751,336.27/13,341.18
  6. Step 6: Final answer
    x = 10,175.36

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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.