Home / 13,549.80-20,319.65-4,662.65

Finding the Fourth Proportional to 13,549.80, 20,319.65 and 4,662.65

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Solution

The fourth proportional to 13,549.80, 20,319.65 and 4,662.65 is: 6,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.80 : 20,319.65 = 4,662.65 : x
  2. Step 2: Convert to fraction form
    13,549.80/20,319.65 = 4,662.65/x
  3. Step 3: Cross multiply
    13,549.80x = 20,319.65 × 4,662.65
  4. Step 4: Simplify right side
    13,549.80x = 94,743,384.84
  5. Step 5: Solve for x
    x = 94,743,384.84/13,549.80
  6. Step 6: Final answer
    x = 6,992.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.