Home / 12,510.34-18,765.44-3,744.92

Finding the Fourth Proportional to 12,510.34, 18,765.44 and 3,744.92

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Solution

The fourth proportional to 12,510.34, 18,765.44 and 3,744.92 is: 5,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.34 : 18,765.44 = 3,744.92 : x
  2. Step 2: Convert to fraction form
    12,510.34/18,765.44 = 3,744.92/x
  3. Step 3: Cross multiply
    12,510.34x = 18,765.44 × 3,744.92
  4. Step 4: Simplify right side
    12,510.34x = 70,275,071.56
  5. Step 5: Solve for x
    x = 70,275,071.56/12,510.34
  6. Step 6: Final answer
    x = 5,617.36

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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.