Home / 10,290.76-14,189.97-6,699.09

Finding the Fourth Proportional to 10,290.76, 14,189.97 and 6,699.09

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Solution

The fourth proportional to 10,290.76, 14,189.97 and 6,699.09 is: 9,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.76 : 14,189.97 = 6,699.09 : x
  2. Step 2: Convert to fraction form
    10,290.76/14,189.97 = 6,699.09/x
  3. Step 3: Cross multiply
    10,290.76x = 14,189.97 × 6,699.09
  4. Step 4: Simplify right side
    10,290.76x = 95,059,927.99
  5. Step 5: Solve for x
    x = 95,059,927.99/10,290.76
  6. Step 6: Final answer
    x = 9,237.41

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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.