Home / 11,390.10-17,085.15-3,182.10

Finding the Fourth Proportional to 11,390.10, 17,085.15 and 3,182.10

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Solution

The fourth proportional to 11,390.10, 17,085.15 and 3,182.10 is: 4,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.10 : 17,085.15 = 3,182.10 : x
  2. Step 2: Convert to fraction form
    11,390.10/17,085.15 = 3,182.10/x
  3. Step 3: Cross multiply
    11,390.10x = 17,085.15 × 3,182.10
  4. Step 4: Simplify right side
    11,390.10x = 54,366,655.82
  5. Step 5: Solve for x
    x = 54,366,655.82/11,390.10
  6. Step 6: Final answer
    x = 4,773.15

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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.