Home / 21,374.42-32,065.74-8,887.73

Finding the Fourth Proportional to 21,374.42, 32,065.74 and 8,887.73

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Solution

The fourth proportional to 21,374.42, 32,065.74 and 8,887.73 is: 13,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.42 : 32,065.74 = 8,887.73 : x
  2. Step 2: Convert to fraction form
    21,374.42/32,065.74 = 8,887.73/x
  3. Step 3: Cross multiply
    21,374.42x = 32,065.74 × 8,887.73
  4. Step 4: Simplify right side
    21,374.42x = 284,991,479.04
  5. Step 5: Solve for x
    x = 284,991,479.04/21,374.42
  6. Step 6: Final answer
    x = 13,333.30

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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.