Home / 21,017.34-31,523.04-6,222.42

Finding the Fourth Proportional to 21,017.34, 31,523.04 and 6,222.42

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Solution

The fourth proportional to 21,017.34, 31,523.04 and 6,222.42 is: 9,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017.34 : 31,523.04 = 6,222.42 : x
  2. Step 2: Convert to fraction form
    21,017.34/31,523.04 = 6,222.42/x
  3. Step 3: Cross multiply
    21,017.34x = 31,523.04 × 6,222.42
  4. Step 4: Simplify right side
    21,017.34x = 196,149,594.56
  5. Step 5: Solve for x
    x = 196,149,594.56/21,017.34
  6. Step 6: Final answer
    x = 9,332.75

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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.