Home / 21,719.53-32,580.51-6,136.75

Finding the Fourth Proportional to 21,719.53, 32,580.51 and 6,136.75

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Solution

The fourth proportional to 21,719.53, 32,580.51 and 6,136.75 is: 9,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.53 : 32,580.51 = 6,136.75 : x
  2. Step 2: Convert to fraction form
    21,719.53/32,580.51 = 6,136.75/x
  3. Step 3: Cross multiply
    21,719.53x = 32,580.51 × 6,136.75
  4. Step 4: Simplify right side
    21,719.53x = 199,938,444.74
  5. Step 5: Solve for x
    x = 199,938,444.74/21,719.53
  6. Step 6: Final answer
    x = 9,205.47

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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.