Home / 9,136.60-13,704.96-4,980.76

Finding the Fourth Proportional to 9,136.60, 13,704.96 and 4,980.76

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Solution

The fourth proportional to 9,136.60, 13,704.96 and 4,980.76 is: 7,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.60 : 13,704.96 = 4,980.76 : x
  2. Step 2: Convert to fraction form
    9,136.60/13,704.96 = 4,980.76/x
  3. Step 3: Cross multiply
    9,136.60x = 13,704.96 × 4,980.76
  4. Step 4: Simplify right side
    9,136.60x = 68,261,116.57
  5. Step 5: Solve for x
    x = 68,261,116.57/9,136.60
  6. Step 6: Final answer
    x = 7,471.17

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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.