Home / 13,348.06-20,009.70-6,331.37

Finding the Fourth Proportional to 13,348.06, 20,009.70 and 6,331.37

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Solution

The fourth proportional to 13,348.06, 20,009.70 and 6,331.37 is: 9,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.06 : 20,009.70 = 6,331.37 : x
  2. Step 2: Convert to fraction form
    13,348.06/20,009.70 = 6,331.37/x
  3. Step 3: Cross multiply
    13,348.06x = 20,009.70 × 6,331.37
  4. Step 4: Simplify right side
    13,348.06x = 126,688,714.24
  5. Step 5: Solve for x
    x = 126,688,714.24/13,348.06
  6. Step 6: Final answer
    x = 9,491.17

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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.