Home / 13,182.08-18,193.01-7,518.87

Finding the Fourth Proportional to 13,182.08, 18,193.01 and 7,518.87

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Solution

The fourth proportional to 13,182.08, 18,193.01 and 7,518.87 is: 10,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.08 : 18,193.01 = 7,518.87 : x
  2. Step 2: Convert to fraction form
    13,182.08/18,193.01 = 7,518.87/x
  3. Step 3: Cross multiply
    13,182.08x = 18,193.01 × 7,518.87
  4. Step 4: Simplify right side
    13,182.08x = 136,790,839.50
  5. Step 5: Solve for x
    x = 136,790,839.50/13,182.08
  6. Step 6: Final answer
    x = 10,377.03

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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.