Home / 13,047.76-19,562.36-6,118.48

Finding the Fourth Proportional to 13,047.76, 19,562.36 and 6,118.48

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Solution

The fourth proportional to 13,047.76, 19,562.36 and 6,118.48 is: 9,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.76 : 19,562.36 = 6,118.48 : x
  2. Step 2: Convert to fraction form
    13,047.76/19,562.36 = 6,118.48/x
  3. Step 3: Cross multiply
    13,047.76x = 19,562.36 × 6,118.48
  4. Step 4: Simplify right side
    13,047.76x = 119,691,908.41
  5. Step 5: Solve for x
    x = 119,691,908.41/13,047.76
  6. Step 6: Final answer
    x = 9,173.37

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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.