Home / 21,593.86-32,317.63-13,279.14

Finding the Fourth Proportional to 21,593.86, 32,317.63 and 13,279.14

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Solution

The fourth proportional to 21,593.86, 32,317.63 and 13,279.14 is: 19,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.86 : 32,317.63 = 13,279.14 : x
  2. Step 2: Convert to fraction form
    21,593.86/32,317.63 = 13,279.14/x
  3. Step 3: Cross multiply
    21,593.86x = 32,317.63 × 13,279.14
  4. Step 4: Simplify right side
    21,593.86x = 429,150,333.24
  5. Step 5: Solve for x
    x = 429,150,333.24/21,593.86
  6. Step 6: Final answer
    x = 19,873.72

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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.