Home / 21,433.38-32,154.34-6,646.84

Finding the Fourth Proportional to 21,433.38, 32,154.34 and 6,646.84

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Solution

The fourth proportional to 21,433.38, 32,154.34 and 6,646.84 is: 9,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.38 : 32,154.34 = 6,646.84 : x
  2. Step 2: Convert to fraction form
    21,433.38/32,154.34 = 6,646.84/x
  3. Step 3: Cross multiply
    21,433.38x = 32,154.34 × 6,646.84
  4. Step 4: Simplify right side
    21,433.38x = 213,724,753.29
  5. Step 5: Solve for x
    x = 213,724,753.29/21,433.38
  6. Step 6: Final answer
    x = 9,971.58

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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.