Home / 10,195.56-15,291.70-2,798.30

Finding the Fourth Proportional to 10,195.56, 15,291.70 and 2,798.30

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Solution

The fourth proportional to 10,195.56, 15,291.70 and 2,798.30 is: 4,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.56 : 15,291.70 = 2,798.30 : x
  2. Step 2: Convert to fraction form
    10,195.56/15,291.70 = 2,798.30/x
  3. Step 3: Cross multiply
    10,195.56x = 15,291.70 × 2,798.30
  4. Step 4: Simplify right side
    10,195.56x = 42,790,764.11
  5. Step 5: Solve for x
    x = 42,790,764.11/10,195.56
  6. Step 6: Final answer
    x = 4,197.00

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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.