Home / 9,619.60-14,429.40-7,286.80

Finding the Fourth Proportional to 9,619.60, 14,429.40 and 7,286.80

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Solution

The fourth proportional to 9,619.60, 14,429.40 and 7,286.80 is: 10,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.60 : 14,429.40 = 7,286.80 : x
  2. Step 2: Convert to fraction form
    9,619.60/14,429.40 = 7,286.80/x
  3. Step 3: Cross multiply
    9,619.60x = 14,429.40 × 7,286.80
  4. Step 4: Simplify right side
    9,619.60x = 105,144,151.92
  5. Step 5: Solve for x
    x = 105,144,151.92/9,619.60
  6. Step 6: Final answer
    x = 10,930.20

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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.