Home / 10,977.80-16,472.10-6,301.40

Finding the Fourth Proportional to 10,977.80, 16,472.10 and 6,301.40

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Solution

The fourth proportional to 10,977.80, 16,472.10 and 6,301.40 is: 9,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.80 : 16,472.10 = 6,301.40 : x
  2. Step 2: Convert to fraction form
    10,977.80/16,472.10 = 6,301.40/x
  3. Step 3: Cross multiply
    10,977.80x = 16,472.10 × 6,301.40
  4. Step 4: Simplify right side
    10,977.80x = 103,797,290.94
  5. Step 5: Solve for x
    x = 103,797,290.94/10,977.80
  6. Step 6: Final answer
    x = 9,455.20

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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.