Home / 11,378.02-17,048.16-6,922.20

Finding the Fourth Proportional to 11,378.02, 17,048.16 and 6,922.20

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Solution

The fourth proportional to 11,378.02, 17,048.16 and 6,922.20 is: 10,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.02 : 17,048.16 = 6,922.20 : x
  2. Step 2: Convert to fraction form
    11,378.02/17,048.16 = 6,922.20/x
  3. Step 3: Cross multiply
    11,378.02x = 17,048.16 × 6,922.20
  4. Step 4: Simplify right side
    11,378.02x = 118,010,773.15
  5. Step 5: Solve for x
    x = 118,010,773.15/11,378.02
  6. Step 6: Final answer
    x = 10,371.82

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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.