Home / 21,396.32-32,082.72-6,601.20

Finding the Fourth Proportional to 21,396.32, 32,082.72 and 6,601.20

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Solution

The fourth proportional to 21,396.32, 32,082.72 and 6,601.20 is: 9,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.32 : 32,082.72 = 6,601.20 : x
  2. Step 2: Convert to fraction form
    21,396.32/32,082.72 = 6,601.20/x
  3. Step 3: Cross multiply
    21,396.32x = 32,082.72 × 6,601.20
  4. Step 4: Simplify right side
    21,396.32x = 211,784,451.26
  5. Step 5: Solve for x
    x = 211,784,451.26/21,396.32
  6. Step 6: Final answer
    x = 9,898.17

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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.