Home / 15,396.75-21,247.52-8,323.17

Finding the Fourth Proportional to 15,396.75, 21,247.52 and 8,323.17

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Solution

The fourth proportional to 15,396.75, 21,247.52 and 8,323.17 is: 11,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396.75 : 21,247.52 = 8,323.17 : x
  2. Step 2: Convert to fraction form
    15,396.75/21,247.52 = 8,323.17/x
  3. Step 3: Cross multiply
    15,396.75x = 21,247.52 × 8,323.17
  4. Step 4: Simplify right side
    15,396.75x = 176,846,679.42
  5. Step 5: Solve for x
    x = 176,846,679.42/15,396.75
  6. Step 6: Final answer
    x = 11,485.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.