Home / 9,872.13-14,807.96-3,208.62

Finding the Fourth Proportional to 9,872.13, 14,807.96 and 3,208.62

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Solution

The fourth proportional to 9,872.13, 14,807.96 and 3,208.62 is: 4,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.13 : 14,807.96 = 3,208.62 : x
  2. Step 2: Convert to fraction form
    9,872.13/14,807.96 = 3,208.62/x
  3. Step 3: Cross multiply
    9,872.13x = 14,807.96 × 3,208.62
  4. Step 4: Simplify right side
    9,872.13x = 47,513,100.57
  5. Step 5: Solve for x
    x = 47,513,100.57/9,872.13
  6. Step 6: Final answer
    x = 4,812.85

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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.