Home / 11,563.40-17,345.12-2,798.28

Finding the Fourth Proportional to 11,563.40, 17,345.12 and 2,798.28

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Solution

The fourth proportional to 11,563.40, 17,345.12 and 2,798.28 is: 4,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.40 : 17,345.12 = 2,798.28 : x
  2. Step 2: Convert to fraction form
    11,563.40/17,345.12 = 2,798.28/x
  3. Step 3: Cross multiply
    11,563.40x = 17,345.12 × 2,798.28
  4. Step 4: Simplify right side
    11,563.40x = 48,536,502.39
  5. Step 5: Solve for x
    x = 48,536,502.39/11,563.40
  6. Step 6: Final answer
    x = 4,197.42

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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.