Home / 13,885.32-20,822.67-4,998.11

Finding the Fourth Proportional to 13,885.32, 20,822.67 and 4,998.11

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Solution

The fourth proportional to 13,885.32, 20,822.67 and 4,998.11 is: 7,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.32 : 20,822.67 = 4,998.11 : x
  2. Step 2: Convert to fraction form
    13,885.32/20,822.67 = 4,998.11/x
  3. Step 3: Cross multiply
    13,885.32x = 20,822.67 × 4,998.11
  4. Step 4: Simplify right side
    13,885.32x = 104,073,891.04
  5. Step 5: Solve for x
    x = 104,073,891.04/13,885.32
  6. Step 6: Final answer
    x = 7,495.24

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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.