Home / 13,099.48-18,095.66-11,682.71

Finding the Fourth Proportional to 13,099.48, 18,095.66 and 11,682.71

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Solution

The fourth proportional to 13,099.48, 18,095.66 and 11,682.71 is: 16,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.48 : 18,095.66 = 11,682.71 : x
  2. Step 2: Convert to fraction form
    13,099.48/18,095.66 = 11,682.71/x
  3. Step 3: Cross multiply
    13,099.48x = 18,095.66 × 11,682.71
  4. Step 4: Simplify right side
    13,099.48x = 211,406,422.48
  5. Step 5: Solve for x
    x = 211,406,422.48/13,099.48
  6. Step 6: Final answer
    x = 16,138.54

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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.