Home / 13,443.28-20,166.74-4,677.06

Finding the Fourth Proportional to 13,443.28, 20,166.74 and 4,677.06

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Solution

The fourth proportional to 13,443.28, 20,166.74 and 4,677.06 is: 7,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.28 : 20,166.74 = 4,677.06 : x
  2. Step 2: Convert to fraction form
    13,443.28/20,166.74 = 4,677.06/x
  3. Step 3: Cross multiply
    13,443.28x = 20,166.74 × 4,677.06
  4. Step 4: Simplify right side
    13,443.28x = 94,321,052.98
  5. Step 5: Solve for x
    x = 94,321,052.98/13,443.28
  6. Step 6: Final answer
    x = 7,016.22

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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.