Home / 10,399.07-14,352.33-6,623.85

Finding the Fourth Proportional to 10,399.07, 14,352.33 and 6,623.85

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Solution

The fourth proportional to 10,399.07, 14,352.33 and 6,623.85 is: 9,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.07 : 14,352.33 = 6,623.85 : x
  2. Step 2: Convert to fraction form
    10,399.07/14,352.33 = 6,623.85/x
  3. Step 3: Cross multiply
    10,399.07x = 14,352.33 × 6,623.85
  4. Step 4: Simplify right side
    10,399.07x = 95,067,681.07
  5. Step 5: Solve for x
    x = 95,067,681.07/10,399.07
  6. Step 6: Final answer
    x = 9,141.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.