Home / 9,945.72-14,899.14-7,625.88

Finding the Fourth Proportional to 9,945.72, 14,899.14 and 7,625.88

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Solution

The fourth proportional to 9,945.72, 14,899.14 and 7,625.88 is: 11,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.72 : 14,899.14 = 7,625.88 : x
  2. Step 2: Convert to fraction form
    9,945.72/14,899.14 = 7,625.88/x
  3. Step 3: Cross multiply
    9,945.72x = 14,899.14 × 7,625.88
  4. Step 4: Simplify right side
    9,945.72x = 113,619,053.74
  5. Step 5: Solve for x
    x = 113,619,053.74/9,945.72
  6. Step 6: Final answer
    x = 11,423.91

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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.