Home / 13,995.67-20,989.19-4,633.76

Finding the Fourth Proportional to 13,995.67, 20,989.19 and 4,633.76

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Solution

The fourth proportional to 13,995.67, 20,989.19 and 4,633.76 is: 6,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.67 : 20,989.19 = 4,633.76 : x
  2. Step 2: Convert to fraction form
    13,995.67/20,989.19 = 4,633.76/x
  3. Step 3: Cross multiply
    13,995.67x = 20,989.19 × 4,633.76
  4. Step 4: Simplify right side
    13,995.67x = 97,258,869.05
  5. Step 5: Solve for x
    x = 97,258,869.05/13,995.67
  6. Step 6: Final answer
    x = 6,949.21

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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.