Home / 18,426.30-25,428.97-10,469.87

Finding the Fourth Proportional to 18,426.30, 25,428.97 and 10,469.87

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Solution

The fourth proportional to 18,426.30, 25,428.97 and 10,469.87 is: 14,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.30 : 25,428.97 = 10,469.87 : x
  2. Step 2: Convert to fraction form
    18,426.30/25,428.97 = 10,469.87/x
  3. Step 3: Cross multiply
    18,426.30x = 25,428.97 × 10,469.87
  4. Step 4: Simplify right side
    18,426.30x = 266,238,010.13
  5. Step 5: Solve for x
    x = 266,238,010.13/18,426.30
  6. Step 6: Final answer
    x = 14,448.80

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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.