Home / 20,948.24-31,401.41-11,592.45

Finding the Fourth Proportional to 20,948.24, 31,401.41 and 11,592.45

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Solution

The fourth proportional to 20,948.24, 31,401.41 and 11,592.45 is: 17,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,948.24 : 31,401.41 = 11,592.45 : x
  2. Step 2: Convert to fraction form
    20,948.24/31,401.41 = 11,592.45/x
  3. Step 3: Cross multiply
    20,948.24x = 31,401.41 × 11,592.45
  4. Step 4: Simplify right side
    20,948.24x = 364,019,217.39
  5. Step 5: Solve for x
    x = 364,019,217.39/20,948.24
  6. Step 6: Final answer
    x = 17,377.08

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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.