Home / 18,313.04-25,269-12,033.20

Finding the Fourth Proportional to 18,313.04, 25,269 and 12,033.20

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Solution

The fourth proportional to 18,313.04, 25,269 and 12,033.20 is: 16,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.04 : 25,269 = 12,033.20 : x
  2. Step 2: Convert to fraction form
    18,313.04/25,269 = 12,033.20/x
  3. Step 3: Cross multiply
    18,313.04x = 25,269 × 12,033.20
  4. Step 4: Simplify right side
    18,313.04x = 304,066,930.80
  5. Step 5: Solve for x
    x = 304,066,930.80/18,313.04
  6. Step 6: Final answer
    x = 16,603.85

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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.