Home / 13,684.09-20,474.88-9,744.45

Finding the Fourth Proportional to 13,684.09, 20,474.88 and 9,744.45

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Solution

The fourth proportional to 13,684.09, 20,474.88 and 9,744.45 is: 14,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.09 : 20,474.88 = 9,744.45 : x
  2. Step 2: Convert to fraction form
    13,684.09/20,474.88 = 9,744.45/x
  3. Step 3: Cross multiply
    13,684.09x = 20,474.88 × 9,744.45
  4. Step 4: Simplify right side
    13,684.09x = 199,516,446.26
  5. Step 5: Solve for x
    x = 199,516,446.26/13,684.09
  6. Step 6: Final answer
    x = 14,580.18

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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.