Home / 14,986.14-20,685.62-9,317.53

Finding the Fourth Proportional to 14,986.14, 20,685.62 and 9,317.53

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Solution

The fourth proportional to 14,986.14, 20,685.62 and 9,317.53 is: 12,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.14 : 20,685.62 = 9,317.53 : x
  2. Step 2: Convert to fraction form
    14,986.14/20,685.62 = 9,317.53/x
  3. Step 3: Cross multiply
    14,986.14x = 20,685.62 × 9,317.53
  4. Step 4: Simplify right side
    14,986.14x = 192,738,884.92
  5. Step 5: Solve for x
    x = 192,738,884.92/14,986.14
  6. Step 6: Final answer
    x = 12,861.14

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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.