Home / 13,453.24-18,552.45-8,977.18

Finding the Fourth Proportional to 13,453.24, 18,552.45 and 8,977.18

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Solution

The fourth proportional to 13,453.24, 18,552.45 and 8,977.18 is: 12,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.24 : 18,552.45 = 8,977.18 : x
  2. Step 2: Convert to fraction form
    13,453.24/18,552.45 = 8,977.18/x
  3. Step 3: Cross multiply
    13,453.24x = 18,552.45 × 8,977.18
  4. Step 4: Simplify right side
    13,453.24x = 166,548,683.09
  5. Step 5: Solve for x
    x = 166,548,683.09/13,453.24
  6. Step 6: Final answer
    x = 12,379.82

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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.