Home / 13,341.39-18,410.94-7,372.91

Finding the Fourth Proportional to 13,341.39, 18,410.94 and 7,372.91

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Solution

The fourth proportional to 13,341.39, 18,410.94 and 7,372.91 is: 10,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.39 : 18,410.94 = 7,372.91 : x
  2. Step 2: Convert to fraction form
    13,341.39/18,410.94 = 7,372.91/x
  3. Step 3: Cross multiply
    13,341.39x = 18,410.94 × 7,372.91
  4. Step 4: Simplify right side
    13,341.39x = 135,742,111.58
  5. Step 5: Solve for x
    x = 135,742,111.58/13,341.39
  6. Step 6: Final answer
    x = 10,174.51

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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.