Home / 13,267.74-18,309.35-7,299.42

Finding the Fourth Proportional to 13,267.74, 18,309.35 and 7,299.42

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Solution

The fourth proportional to 13,267.74, 18,309.35 and 7,299.42 is: 10,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.74 : 18,309.35 = 7,299.42 : x
  2. Step 2: Convert to fraction form
    13,267.74/18,309.35 = 7,299.42/x
  3. Step 3: Cross multiply
    13,267.74x = 18,309.35 × 7,299.42
  4. Step 4: Simplify right side
    13,267.74x = 133,647,599.08
  5. Step 5: Solve for x
    x = 133,647,599.08/13,267.74
  6. Step 6: Final answer
    x = 10,073.12

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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.