Home / 21,491.10-32,237.46-5,909.94

Finding the Fourth Proportional to 21,491.10, 32,237.46 and 5,909.94

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Solution

The fourth proportional to 21,491.10, 32,237.46 and 5,909.94 is: 8,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.10 : 32,237.46 = 5,909.94 : x
  2. Step 2: Convert to fraction form
    21,491.10/32,237.46 = 5,909.94/x
  3. Step 3: Cross multiply
    21,491.10x = 32,237.46 × 5,909.94
  4. Step 4: Simplify right side
    21,491.10x = 190,521,454.35
  5. Step 5: Solve for x
    x = 190,521,454.35/21,491.10
  6. Step 6: Final answer
    x = 8,865.13

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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.