Home / 13,099.45-18,093.48-9,508.68

Finding the Fourth Proportional to 13,099.45, 18,093.48 and 9,508.68

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Solution

The fourth proportional to 13,099.45, 18,093.48 and 9,508.68 is: 13,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.45 : 18,093.48 = 9,508.68 : x
  2. Step 2: Convert to fraction form
    13,099.45/18,093.48 = 9,508.68/x
  3. Step 3: Cross multiply
    13,099.45x = 18,093.48 × 9,508.68
  4. Step 4: Simplify right side
    13,099.45x = 172,045,111.41
  5. Step 5: Solve for x
    x = 172,045,111.41/13,099.45
  6. Step 6: Final answer
    x = 13,133.77

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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.