Home / 11,389.70-17,085.98-4,463.30

Finding the Fourth Proportional to 11,389.70, 17,085.98 and 4,463.30

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Solution

The fourth proportional to 11,389.70, 17,085.98 and 4,463.30 is: 6,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.70 : 17,085.98 = 4,463.30 : x
  2. Step 2: Convert to fraction form
    11,389.70/17,085.98 = 4,463.30/x
  3. Step 3: Cross multiply
    11,389.70x = 17,085.98 × 4,463.30
  4. Step 4: Simplify right side
    11,389.70x = 76,259,780.26
  5. Step 5: Solve for x
    x = 76,259,780.26/11,389.70
  6. Step 6: Final answer
    x = 6,695.51

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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.