Home / 21,396.20-32,095.84-6,603.20

Finding the Fourth Proportional to 21,396.20, 32,095.84 and 6,603.20

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Solution

The fourth proportional to 21,396.20, 32,095.84 and 6,603.20 is: 9,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.20 : 32,095.84 = 6,603.20 : x
  2. Step 2: Convert to fraction form
    21,396.20/32,095.84 = 6,603.20/x
  3. Step 3: Cross multiply
    21,396.20x = 32,095.84 × 6,603.20
  4. Step 4: Simplify right side
    21,396.20x = 211,935,097.60
  5. Step 5: Solve for x
    x = 211,935,097.60/21,396.20
  6. Step 6: Final answer
    x = 9,905.27

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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.