Home / 13,269.22-18,311.49-7,301.27

Finding the Fourth Proportional to 13,269.22, 18,311.49 and 7,301.27

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Solution

The fourth proportional to 13,269.22, 18,311.49 and 7,301.27 is: 10,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.22 : 18,311.49 = 7,301.27 : x
  2. Step 2: Convert to fraction form
    13,269.22/18,311.49 = 7,301.27/x
  3. Step 3: Cross multiply
    13,269.22x = 18,311.49 × 7,301.27
  4. Step 4: Simplify right side
    13,269.22x = 133,697,178.37
  5. Step 5: Solve for x
    x = 133,697,178.37/13,269.22
  6. Step 6: Final answer
    x = 10,075.74

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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.