Home / 10,426.44-14,389.44-5,711.40

Finding the Fourth Proportional to 10,426.44, 14,389.44 and 5,711.40

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Solution

The fourth proportional to 10,426.44, 14,389.44 and 5,711.40 is: 7,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.44 : 14,389.44 = 5,711.40 : x
  2. Step 2: Convert to fraction form
    10,426.44/14,389.44 = 5,711.40/x
  3. Step 3: Cross multiply
    10,426.44x = 14,389.44 × 5,711.40
  4. Step 4: Simplify right side
    10,426.44x = 82,183,847.62
  5. Step 5: Solve for x
    x = 82,183,847.62/10,426.44
  6. Step 6: Final answer
    x = 7,882.25

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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.