Home / 12,010.35-17,991.65-9,401.07

Finding the Fourth Proportional to 12,010.35, 17,991.65 and 9,401.07

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Solution

The fourth proportional to 12,010.35, 17,991.65 and 9,401.07 is: 14,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.35 : 17,991.65 = 9,401.07 : x
  2. Step 2: Convert to fraction form
    12,010.35/17,991.65 = 9,401.07/x
  3. Step 3: Cross multiply
    12,010.35x = 17,991.65 × 9,401.07
  4. Step 4: Simplify right side
    12,010.35x = 169,140,714.06
  5. Step 5: Solve for x
    x = 169,140,714.06/12,010.35
  6. Step 6: Final answer
    x = 14,082.91

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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.