Home / 13,743.04-20,618.66-9,748.12

Finding the Fourth Proportional to 13,743.04, 20,618.66 and 9,748.12

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Solution

The fourth proportional to 13,743.04, 20,618.66 and 9,748.12 is: 14,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.04 : 20,618.66 = 9,748.12 : x
  2. Step 2: Convert to fraction form
    13,743.04/20,618.66 = 9,748.12/x
  3. Step 3: Cross multiply
    13,743.04x = 20,618.66 × 9,748.12
  4. Step 4: Simplify right side
    13,743.04x = 200,993,020.09
  5. Step 5: Solve for x
    x = 200,993,020.09/13,743.04
  6. Step 6: Final answer
    x = 14,625.08

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1.5x scale

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.