Home / 15,679.84-23,515.44-11,260.48

Finding the Fourth Proportional to 15,679.84, 23,515.44 and 11,260.48

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Solution

The fourth proportional to 15,679.84, 23,515.44 and 11,260.48 is: 16,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.84 : 23,515.44 = 11,260.48 : x
  2. Step 2: Convert to fraction form
    15,679.84/23,515.44 = 11,260.48/x
  3. Step 3: Cross multiply
    15,679.84x = 23,515.44 × 11,260.48
  4. Step 4: Simplify right side
    15,679.84x = 264,795,141.81
  5. Step 5: Solve for x
    x = 264,795,141.81/15,679.84
  6. Step 6: Final answer
    x = 16,887.62

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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.