Home / 15,515.94-23,279.55-7,617.63

Finding the Fourth Proportional to 15,515.94, 23,279.55 and 7,617.63

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Solution

The fourth proportional to 15,515.94, 23,279.55 and 7,617.63 is: 11,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.94 : 23,279.55 = 7,617.63 : x
  2. Step 2: Convert to fraction form
    15,515.94/23,279.55 = 7,617.63/x
  3. Step 3: Cross multiply
    15,515.94x = 23,279.55 × 7,617.63
  4. Step 4: Simplify right side
    15,515.94x = 177,334,998.47
  5. Step 5: Solve for x
    x = 177,334,998.47/15,515.94
  6. Step 6: Final answer
    x = 11,429.21

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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.