Home / 13,269.12-18,311.82-7,301.22

Finding the Fourth Proportional to 13,269.12, 18,311.82 and 7,301.22

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Solution

The fourth proportional to 13,269.12, 18,311.82 and 7,301.22 is: 10,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.12 : 18,311.82 = 7,301.22 : x
  2. Step 2: Convert to fraction form
    13,269.12/18,311.82 = 7,301.22/x
  3. Step 3: Cross multiply
    13,269.12x = 18,311.82 × 7,301.22
  4. Step 4: Simplify right side
    13,269.12x = 133,698,626.42
  5. Step 5: Solve for x
    x = 133,698,626.42/13,269.12
  6. Step 6: Final answer
    x = 10,075.92

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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.