Home / 13,352.24-18,412.44-8,876.72

Finding the Fourth Proportional to 13,352.24, 18,412.44 and 8,876.72

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Solution

The fourth proportional to 13,352.24, 18,412.44 and 8,876.72 is: 12,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.24 : 18,412.44 = 8,876.72 : x
  2. Step 2: Convert to fraction form
    13,352.24/18,412.44 = 8,876.72/x
  3. Step 3: Cross multiply
    13,352.24x = 18,412.44 × 8,876.72
  4. Step 4: Simplify right side
    13,352.24x = 163,442,074.40
  5. Step 5: Solve for x
    x = 163,442,074.40/13,352.24
  6. Step 6: Final answer
    x = 12,240.80

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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.