Home / 21,352.49-32,032.85-6,558.78

Finding the Fourth Proportional to 21,352.49, 32,032.85 and 6,558.78

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Solution

The fourth proportional to 21,352.49, 32,032.85 and 6,558.78 is: 9,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.49 : 32,032.85 = 6,558.78 : x
  2. Step 2: Convert to fraction form
    21,352.49/32,032.85 = 6,558.78/x
  3. Step 3: Cross multiply
    21,352.49x = 32,032.85 × 6,558.78
  4. Step 4: Simplify right side
    21,352.49x = 210,096,383.13
  5. Step 5: Solve for x
    x = 210,096,383.13/21,352.49
  6. Step 6: Final answer
    x = 9,839.43

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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.