Home / 21,563.32-32,319.06-11,702.20

Finding the Fourth Proportional to 21,563.32, 32,319.06 and 11,702.20

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Solution

The fourth proportional to 21,563.32, 32,319.06 and 11,702.20 is: 17,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.32 : 32,319.06 = 11,702.20 : x
  2. Step 2: Convert to fraction form
    21,563.32/32,319.06 = 11,702.20/x
  3. Step 3: Cross multiply
    21,563.32x = 32,319.06 × 11,702.20
  4. Step 4: Simplify right side
    21,563.32x = 378,204,103.93
  5. Step 5: Solve for x
    x = 378,204,103.93/21,563.32
  6. Step 6: Final answer
    x = 17,539.23

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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.