Home / 13,337.55-18,406.92-7,370.07

Finding the Fourth Proportional to 13,337.55, 18,406.92 and 7,370.07

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Solution

The fourth proportional to 13,337.55, 18,406.92 and 7,370.07 is: 10,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.55 : 18,406.92 = 7,370.07 : x
  2. Step 2: Convert to fraction form
    13,337.55/18,406.92 = 7,370.07/x
  3. Step 3: Cross multiply
    13,337.55x = 18,406.92 × 7,370.07
  4. Step 4: Simplify right side
    13,337.55x = 135,660,288.88
  5. Step 5: Solve for x
    x = 135,660,288.88/13,337.55
  6. Step 6: Final answer
    x = 10,171.30

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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.