Home / 9,784.80-14,669.10-5,167.80

Finding the Fourth Proportional to 9,784.80, 14,669.10 and 5,167.80

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Solution

The fourth proportional to 9,784.80, 14,669.10 and 5,167.80 is: 7,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.80 : 14,669.10 = 5,167.80 : x
  2. Step 2: Convert to fraction form
    9,784.80/14,669.10 = 5,167.80/x
  3. Step 3: Cross multiply
    9,784.80x = 14,669.10 × 5,167.80
  4. Step 4: Simplify right side
    9,784.80x = 75,806,974.98
  5. Step 5: Solve for x
    x = 75,806,974.98/9,784.80
  6. Step 6: Final answer
    x = 7,747.42

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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.