Home / 13,338.51-18,408.99-7,673.16

Finding the Fourth Proportional to 13,338.51, 18,408.99 and 7,673.16

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Solution

The fourth proportional to 13,338.51, 18,408.99 and 7,673.16 is: 10,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.51 : 18,408.99 = 7,673.16 : x
  2. Step 2: Convert to fraction form
    13,338.51/18,408.99 = 7,673.16/x
  3. Step 3: Cross multiply
    13,338.51x = 18,408.99 × 7,673.16
  4. Step 4: Simplify right side
    13,338.51x = 141,255,119.97
  5. Step 5: Solve for x
    x = 141,255,119.97/13,338.51
  6. Step 6: Final answer
    x = 10,590.02

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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.