Home / 13,444.57-20,170.96-6,875.37

Finding the Fourth Proportional to 13,444.57, 20,170.96 and 6,875.37

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Solution

The fourth proportional to 13,444.57, 20,170.96 and 6,875.37 is: 10,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.57 : 20,170.96 = 6,875.37 : x
  2. Step 2: Convert to fraction form
    13,444.57/20,170.96 = 6,875.37/x
  3. Step 3: Cross multiply
    13,444.57x = 20,170.96 × 6,875.37
  4. Step 4: Simplify right side
    13,444.57x = 138,682,813.26
  5. Step 5: Solve for x
    x = 138,682,813.26/13,444.57
  6. Step 6: Final answer
    x = 10,315.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.