Home / 21,399.36-32,082.98-6,599.58

Finding the Fourth Proportional to 21,399.36, 32,082.98 and 6,599.58

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Solution

The fourth proportional to 21,399.36, 32,082.98 and 6,599.58 is: 9,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399.36 : 32,082.98 = 6,599.58 : x
  2. Step 2: Convert to fraction form
    21,399.36/32,082.98 = 6,599.58/x
  3. Step 3: Cross multiply
    21,399.36x = 32,082.98 × 6,599.58
  4. Step 4: Simplify right side
    21,399.36x = 211,734,160.15
  5. Step 5: Solve for x
    x = 211,734,160.15/21,399.36
  6. Step 6: Final answer
    x = 9,894.42

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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.