Home / 21,524.03-29,702.96-11,963.67

Finding the Fourth Proportional to 21,524.03, 29,702.96 and 11,963.67

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Solution

The fourth proportional to 21,524.03, 29,702.96 and 11,963.67 is: 16,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.03 : 29,702.96 = 11,963.67 : x
  2. Step 2: Convert to fraction form
    21,524.03/29,702.96 = 11,963.67/x
  3. Step 3: Cross multiply
    21,524.03x = 29,702.96 × 11,963.67
  4. Step 4: Simplify right side
    21,524.03x = 355,356,396.51
  5. Step 5: Solve for x
    x = 355,356,396.51/21,524.03
  6. Step 6: Final answer
    x = 16,509.75

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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.