Home / 12,041.92-18,056.28-3,719.68

Finding the Fourth Proportional to 12,041.92, 18,056.28 and 3,719.68

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Solution

The fourth proportional to 12,041.92, 18,056.28 and 3,719.68 is: 5,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.92 : 18,056.28 = 3,719.68 : x
  2. Step 2: Convert to fraction form
    12,041.92/18,056.28 = 3,719.68/x
  3. Step 3: Cross multiply
    12,041.92x = 18,056.28 × 3,719.68
  4. Step 4: Simplify right side
    12,041.92x = 67,163,583.59
  5. Step 5: Solve for x
    x = 67,163,583.59/12,041.92
  6. Step 6: Final answer
    x = 5,577.48

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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.