Home / 9,389.76-14,084.58-7,626.38

Finding the Fourth Proportional to 9,389.76, 14,084.58 and 7,626.38

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Solution

The fourth proportional to 9,389.76, 14,084.58 and 7,626.38 is: 11,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.76 : 14,084.58 = 7,626.38 : x
  2. Step 2: Convert to fraction form
    9,389.76/14,084.58 = 7,626.38/x
  3. Step 3: Cross multiply
    9,389.76x = 14,084.58 × 7,626.38
  4. Step 4: Simplify right side
    9,389.76x = 107,414,359.22
  5. Step 5: Solve for x
    x = 107,414,359.22/9,389.76
  6. Step 6: Final answer
    x = 11,439.52

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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.