Home / 20,148.49-30,193.57-11,364.72

Finding the Fourth Proportional to 20,148.49, 30,193.57 and 11,364.72

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Solution

The fourth proportional to 20,148.49, 30,193.57 and 11,364.72 is: 17,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.49 : 30,193.57 = 11,364.72 : x
  2. Step 2: Convert to fraction form
    20,148.49/30,193.57 = 11,364.72/x
  3. Step 3: Cross multiply
    20,148.49x = 30,193.57 × 11,364.72
  4. Step 4: Simplify right side
    20,148.49x = 343,141,468.85
  5. Step 5: Solve for x
    x = 343,141,468.85/20,148.49
  6. Step 6: Final answer
    x = 17,030.63

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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.