Home / 10,193.13-15,293.78-4,649.09

Finding the Fourth Proportional to 10,193.13, 15,293.78 and 4,649.09

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Solution

The fourth proportional to 10,193.13, 15,293.78 and 4,649.09 is: 6,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.13 : 15,293.78 = 4,649.09 : x
  2. Step 2: Convert to fraction form
    10,193.13/15,293.78 = 4,649.09/x
  3. Step 3: Cross multiply
    10,193.13x = 15,293.78 × 4,649.09
  4. Step 4: Simplify right side
    10,193.13x = 71,102,059.95
  5. Step 5: Solve for x
    x = 71,102,059.95/10,193.13
  6. Step 6: Final answer
    x = 6,975.49

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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.