Home / 13,593.30-20,389.73-4,715.09

Finding the Fourth Proportional to 13,593.30, 20,389.73 and 4,715.09

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Solution

The fourth proportional to 13,593.30, 20,389.73 and 4,715.09 is: 7,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.30 : 20,389.73 = 4,715.09 : x
  2. Step 2: Convert to fraction form
    13,593.30/20,389.73 = 4,715.09/x
  3. Step 3: Cross multiply
    13,593.30x = 20,389.73 × 4,715.09
  4. Step 4: Simplify right side
    13,593.30x = 96,139,412.03
  5. Step 5: Solve for x
    x = 96,139,412.03/13,593.30
  6. Step 6: Final answer
    x = 7,072.56

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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.