Home / 13,302.85-18,357.94-7,637.97

Finding the Fourth Proportional to 13,302.85, 18,357.94 and 7,637.97

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Solution

The fourth proportional to 13,302.85, 18,357.94 and 7,637.97 is: 10,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.85 : 18,357.94 = 7,637.97 : x
  2. Step 2: Convert to fraction form
    13,302.85/18,357.94 = 7,637.97/x
  3. Step 3: Cross multiply
    13,302.85x = 18,357.94 × 7,637.97
  4. Step 4: Simplify right side
    13,302.85x = 140,217,327.14
  5. Step 5: Solve for x
    x = 140,217,327.14/13,302.85
  6. Step 6: Final answer
    x = 10,540.40

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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.