Home / 13,977.84-20,953.80-6,182.40

Finding the Fourth Proportional to 13,977.84, 20,953.80 and 6,182.40

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Solution

The fourth proportional to 13,977.84, 20,953.80 and 6,182.40 is: 9,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.84 : 20,953.80 = 6,182.40 : x
  2. Step 2: Convert to fraction form
    13,977.84/20,953.80 = 6,182.40/x
  3. Step 3: Cross multiply
    13,977.84x = 20,953.80 × 6,182.40
  4. Step 4: Simplify right side
    13,977.84x = 129,544,773.12
  5. Step 5: Solve for x
    x = 129,544,773.12/13,977.84
  6. Step 6: Final answer
    x = 9,267.87

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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.