Home / 21,719.50-32,558.44-6,918.82

Finding the Fourth Proportional to 21,719.50, 32,558.44 and 6,918.82

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Solution

The fourth proportional to 21,719.50, 32,558.44 and 6,918.82 is: 10,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.50 : 32,558.44 = 6,918.82 : x
  2. Step 2: Convert to fraction form
    21,719.50/32,558.44 = 6,918.82/x
  3. Step 3: Cross multiply
    21,719.50x = 32,558.44 × 6,918.82
  4. Step 4: Simplify right side
    21,719.50x = 225,265,985.84
  5. Step 5: Solve for x
    x = 225,265,985.84/21,719.50
  6. Step 6: Final answer
    x = 10,371.60

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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.