Home / 10,130.58-15,195.78-3,205.08

Finding the Fourth Proportional to 10,130.58, 15,195.78 and 3,205.08

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Solution

The fourth proportional to 10,130.58, 15,195.78 and 3,205.08 is: 4,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.58 : 15,195.78 = 3,205.08 : x
  2. Step 2: Convert to fraction form
    10,130.58/15,195.78 = 3,205.08/x
  3. Step 3: Cross multiply
    10,130.58x = 15,195.78 × 3,205.08
  4. Step 4: Simplify right side
    10,130.58x = 48,703,690.56
  5. Step 5: Solve for x
    x = 48,703,690.56/10,130.58
  6. Step 6: Final answer
    x = 4,807.59

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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.