Home / 10,195.77-15,291.29-2,800.83

Finding the Fourth Proportional to 10,195.77, 15,291.29 and 2,800.83

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Solution

The fourth proportional to 10,195.77, 15,291.29 and 2,800.83 is: 4,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.77 : 15,291.29 = 2,800.83 : x
  2. Step 2: Convert to fraction form
    10,195.77/15,291.29 = 2,800.83/x
  3. Step 3: Cross multiply
    10,195.77x = 15,291.29 × 2,800.83
  4. Step 4: Simplify right side
    10,195.77x = 42,828,289.77
  5. Step 5: Solve for x
    x = 42,828,289.77/10,195.77
  6. Step 6: Final answer
    x = 4,200.59

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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.