Home / 21,519.64-32,262.06-9,216.28

Finding the Fourth Proportional to 21,519.64, 32,262.06 and 9,216.28

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Solution

The fourth proportional to 21,519.64, 32,262.06 and 9,216.28 is: 13,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.64 : 32,262.06 = 9,216.28 : x
  2. Step 2: Convert to fraction form
    21,519.64/32,262.06 = 9,216.28/x
  3. Step 3: Cross multiply
    21,519.64x = 32,262.06 × 9,216.28
  4. Step 4: Simplify right side
    21,519.64x = 297,336,178.34
  5. Step 5: Solve for x
    x = 297,336,178.34/21,519.64
  6. Step 6: Final answer
    x = 13,816.97

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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.