Home / 11,619.95-17,437.34-4,223.70

Finding the Fourth Proportional to 11,619.95, 17,437.34 and 4,223.70

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Solution

The fourth proportional to 11,619.95, 17,437.34 and 4,223.70 is: 6,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.95 : 17,437.34 = 4,223.70 : x
  2. Step 2: Convert to fraction form
    11,619.95/17,437.34 = 4,223.70/x
  3. Step 3: Cross multiply
    11,619.95x = 17,437.34 × 4,223.70
  4. Step 4: Simplify right side
    11,619.95x = 73,650,103.52
  5. Step 5: Solve for x
    x = 73,650,103.52/11,619.95
  6. Step 6: Final answer
    x = 6,338.25

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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.