Home / 12,099.76-18,150.08-3,335.36

Finding the Fourth Proportional to 12,099.76, 18,150.08 and 3,335.36

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Solution

The fourth proportional to 12,099.76, 18,150.08 and 3,335.36 is: 5,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.76 : 18,150.08 = 3,335.36 : x
  2. Step 2: Convert to fraction form
    12,099.76/18,150.08 = 3,335.36/x
  3. Step 3: Cross multiply
    12,099.76x = 18,150.08 × 3,335.36
  4. Step 4: Simplify right side
    12,099.76x = 60,537,050.83
  5. Step 5: Solve for x
    x = 60,537,050.83/12,099.76
  6. Step 6: Final answer
    x = 5,003.16

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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.