Home / 12,410.03-18,615.00-5,389.13

Finding the Fourth Proportional to 12,410.03, 18,615.00 and 5,389.13

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Solution

The fourth proportional to 12,410.03, 18,615.00 and 5,389.13 is: 8,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.03 : 18,615.00 = 5,389.13 : x
  2. Step 2: Convert to fraction form
    12,410.03/18,615.00 = 5,389.13/x
  3. Step 3: Cross multiply
    12,410.03x = 18,615.00 × 5,389.13
  4. Step 4: Simplify right side
    12,410.03x = 100,318,691.38
  5. Step 5: Solve for x
    x = 100,318,691.38/12,410.03
  6. Step 6: Final answer
    x = 8,083.68

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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.