Home / 21,873.60-32,814.72-6,291.36

Finding the Fourth Proportional to 21,873.60, 32,814.72 and 6,291.36

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Solution

The fourth proportional to 21,873.60, 32,814.72 and 6,291.36 is: 9,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873.60 : 32,814.72 = 6,291.36 : x
  2. Step 2: Convert to fraction form
    21,873.60/32,814.72 = 6,291.36/x
  3. Step 3: Cross multiply
    21,873.60x = 32,814.72 × 6,291.36
  4. Step 4: Simplify right side
    21,873.60x = 206,449,216.82
  5. Step 5: Solve for x
    x = 206,449,216.82/21,873.60
  6. Step 6: Final answer
    x = 9,438.28

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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.