Home / 21,748.39-32,573.07-12,965.16

Finding the Fourth Proportional to 21,748.39, 32,573.07 and 12,965.16

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Solution

The fourth proportional to 21,748.39, 32,573.07 and 12,965.16 is: 19,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.39 : 32,573.07 = 12,965.16 : x
  2. Step 2: Convert to fraction form
    21,748.39/32,573.07 = 12,965.16/x
  3. Step 3: Cross multiply
    21,748.39x = 32,573.07 × 12,965.16
  4. Step 4: Simplify right side
    21,748.39x = 422,315,064.24
  5. Step 5: Solve for x
    x = 422,315,064.24/21,748.39
  6. Step 6: Final answer
    x = 19,418.22

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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.