Home / 10,135.68-15,205.68-3,210.24

Finding the Fourth Proportional to 10,135.68, 15,205.68 and 3,210.24

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Solution

The fourth proportional to 10,135.68, 15,205.68 and 3,210.24 is: 4,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.68 : 15,205.68 = 3,210.24 : x
  2. Step 2: Convert to fraction form
    10,135.68/15,205.68 = 3,210.24/x
  3. Step 3: Cross multiply
    10,135.68x = 15,205.68 × 3,210.24
  4. Step 4: Simplify right side
    10,135.68x = 48,813,882.16
  5. Step 5: Solve for x
    x = 48,813,882.16/10,135.68
  6. Step 6: Final answer
    x = 4,816.04

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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.