Home / 21,084.50-31,632.23-6,293.42

Finding the Fourth Proportional to 21,084.50, 31,632.23 and 6,293.42

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Solution

The fourth proportional to 21,084.50, 31,632.23 and 6,293.42 is: 9,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.50 : 31,632.23 = 6,293.42 : x
  2. Step 2: Convert to fraction form
    21,084.50/31,632.23 = 6,293.42/x
  3. Step 3: Cross multiply
    21,084.50x = 31,632.23 × 6,293.42
  4. Step 4: Simplify right side
    21,084.50x = 199,074,885.12
  5. Step 5: Solve for x
    x = 199,074,885.12/21,084.50
  6. Step 6: Final answer
    x = 9,441.76

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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.