Home / 13,088.68-19,634.38-4,200.90

Finding the Fourth Proportional to 13,088.68, 19,634.38 and 4,200.90

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Solution

The fourth proportional to 13,088.68, 19,634.38 and 4,200.90 is: 6,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.68 : 19,634.38 = 4,200.90 : x
  2. Step 2: Convert to fraction form
    13,088.68/19,634.38 = 4,200.90/x
  3. Step 3: Cross multiply
    13,088.68x = 19,634.38 × 4,200.90
  4. Step 4: Simplify right side
    13,088.68x = 82,482,066.94
  5. Step 5: Solve for x
    x = 82,482,066.94/13,088.68
  6. Step 6: Final answer
    x = 6,301.79

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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.