Home / 13,523.45-18,661.31-7,473.44

Finding the Fourth Proportional to 13,523.45, 18,661.31 and 7,473.44

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Solution

The fourth proportional to 13,523.45, 18,661.31 and 7,473.44 is: 10,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.45 : 18,661.31 = 7,473.44 : x
  2. Step 2: Convert to fraction form
    13,523.45/18,661.31 = 7,473.44/x
  3. Step 3: Cross multiply
    13,523.45x = 18,661.31 × 7,473.44
  4. Step 4: Simplify right side
    13,523.45x = 139,464,143.24
  5. Step 5: Solve for x
    x = 139,464,143.24/13,523.45
  6. Step 6: Final answer
    x = 10,312.76

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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.