Home / 21,318.33-31,975.22-6,527.23

Finding the Fourth Proportional to 21,318.33, 31,975.22 and 6,527.23

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Solution

The fourth proportional to 21,318.33, 31,975.22 and 6,527.23 is: 9,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,318.33 : 31,975.22 = 6,527.23 : x
  2. Step 2: Convert to fraction form
    21,318.33/31,975.22 = 6,527.23/x
  3. Step 3: Cross multiply
    21,318.33x = 31,975.22 × 6,527.23
  4. Step 4: Simplify right side
    21,318.33x = 208,709,615.24
  5. Step 5: Solve for x
    x = 208,709,615.24/21,318.33
  6. Step 6: Final answer
    x = 9,790.15

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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.