Home / 15,667.03-21,621-8,593.44

Finding the Fourth Proportional to 15,667.03, 21,621 and 8,593.44

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Solution

The fourth proportional to 15,667.03, 21,621 and 8,593.44 is: 11,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.03 : 21,621 = 8,593.44 : x
  2. Step 2: Convert to fraction form
    15,667.03/21,621 = 8,593.44/x
  3. Step 3: Cross multiply
    15,667.03x = 21,621 × 8,593.44
  4. Step 4: Simplify right side
    15,667.03x = 185,798,766.24
  5. Step 5: Solve for x
    x = 185,798,766.24/15,667.03
  6. Step 6: Final answer
    x = 11,859.22

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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.