Home / 10,627.88-14,666.82-6,647.72

Finding the Fourth Proportional to 10,627.88, 14,666.82 and 6,647.72

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Solution

The fourth proportional to 10,627.88, 14,666.82 and 6,647.72 is: 9,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.88 : 14,666.82 = 6,647.72 : x
  2. Step 2: Convert to fraction form
    10,627.88/14,666.82 = 6,647.72/x
  3. Step 3: Cross multiply
    10,627.88x = 14,666.82 × 6,647.72
  4. Step 4: Simplify right side
    10,627.88x = 97,500,912.65
  5. Step 5: Solve for x
    x = 97,500,912.65/10,627.88
  6. Step 6: Final answer
    x = 9,174.07

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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.