Home / 13,087.68-19,632.88-4,199.90

Finding the Fourth Proportional to 13,087.68, 19,632.88 and 4,199.90

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Solution

The fourth proportional to 13,087.68, 19,632.88 and 4,199.90 is: 6,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.68 : 19,632.88 = 4,199.90 : x
  2. Step 2: Convert to fraction form
    13,087.68/19,632.88 = 4,199.90/x
  3. Step 3: Cross multiply
    13,087.68x = 19,632.88 × 4,199.90
  4. Step 4: Simplify right side
    13,087.68x = 82,456,132.71
  5. Step 5: Solve for x
    x = 82,456,132.71/13,087.68
  6. Step 6: Final answer
    x = 6,300.29

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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.