Home / 13,314.11-18,360.34-10,328.85

Finding the Fourth Proportional to 13,314.11, 18,360.34 and 10,328.85

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Solution

The fourth proportional to 13,314.11, 18,360.34 and 10,328.85 is: 14,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.11 : 18,360.34 = 10,328.85 : x
  2. Step 2: Convert to fraction form
    13,314.11/18,360.34 = 10,328.85/x
  3. Step 3: Cross multiply
    13,314.11x = 18,360.34 × 10,328.85
  4. Step 4: Simplify right side
    13,314.11x = 189,641,197.81
  5. Step 5: Solve for x
    x = 189,641,197.81/13,314.11
  6. Step 6: Final answer
    x = 14,243.63

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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.