Home / 13,404.30-18,495.13-8,098.10

Finding the Fourth Proportional to 13,404.30, 18,495.13 and 8,098.10

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Solution

The fourth proportional to 13,404.30, 18,495.13 and 8,098.10 is: 11,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.30 : 18,495.13 = 8,098.10 : x
  2. Step 2: Convert to fraction form
    13,404.30/18,495.13 = 8,098.10/x
  3. Step 3: Cross multiply
    13,404.30x = 18,495.13 × 8,098.10
  4. Step 4: Simplify right side
    13,404.30x = 149,775,412.25
  5. Step 5: Solve for x
    x = 149,775,412.25/13,404.30
  6. Step 6: Final answer
    x = 11,173.68

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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.