Home / 13,291.92-18,337.32-10,099.44

Finding the Fourth Proportional to 13,291.92, 18,337.32 and 10,099.44

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Solution

The fourth proportional to 13,291.92, 18,337.32 and 10,099.44 is: 13,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.92 : 18,337.32 = 10,099.44 : x
  2. Step 2: Convert to fraction form
    13,291.92/18,337.32 = 10,099.44/x
  3. Step 3: Cross multiply
    13,291.92x = 18,337.32 × 10,099.44
  4. Step 4: Simplify right side
    13,291.92x = 185,196,663.10
  5. Step 5: Solve for x
    x = 185,196,663.10/13,291.92
  6. Step 6: Final answer
    x = 13,933.03

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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.