Home / 21,558.56-32,348.70-9,874.52

Finding the Fourth Proportional to 21,558.56, 32,348.70 and 9,874.52

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Solution

The fourth proportional to 21,558.56, 32,348.70 and 9,874.52 is: 14,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.56 : 32,348.70 = 9,874.52 : x
  2. Step 2: Convert to fraction form
    21,558.56/32,348.70 = 9,874.52/x
  3. Step 3: Cross multiply
    21,558.56x = 32,348.70 × 9,874.52
  4. Step 4: Simplify right side
    21,558.56x = 319,427,885.12
  5. Step 5: Solve for x
    x = 319,427,885.12/21,558.56
  6. Step 6: Final answer
    x = 14,816.75

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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.