Home / 13,523.85-18,662.81-7,555.52

Finding the Fourth Proportional to 13,523.85, 18,662.81 and 7,555.52

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Solution

The fourth proportional to 13,523.85, 18,662.81 and 7,555.52 is: 10,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.85 : 18,662.81 = 7,555.52 : x
  2. Step 2: Convert to fraction form
    13,523.85/18,662.81 = 7,555.52/x
  3. Step 3: Cross multiply
    13,523.85x = 18,662.81 × 7,555.52
  4. Step 4: Simplify right side
    13,523.85x = 141,007,234.21
  5. Step 5: Solve for x
    x = 141,007,234.21/13,523.85
  6. Step 6: Final answer
    x = 10,426.56

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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.