Home / 12,039.68-18,052.90-3,717.40

Finding the Fourth Proportional to 12,039.68, 18,052.90 and 3,717.40

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Solution

The fourth proportional to 12,039.68, 18,052.90 and 3,717.40 is: 5,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.68 : 18,052.90 = 3,717.40 : x
  2. Step 2: Convert to fraction form
    12,039.68/18,052.90 = 3,717.40/x
  3. Step 3: Cross multiply
    12,039.68x = 18,052.90 × 3,717.40
  4. Step 4: Simplify right side
    12,039.68x = 67,109,850.46
  5. Step 5: Solve for x
    x = 67,109,850.46/12,039.68
  6. Step 6: Final answer
    x = 5,574.06

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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.