Home / 20,334.02-30,496.44-10,328.66

Finding the Fourth Proportional to 20,334.02, 30,496.44 and 10,328.66

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Solution

The fourth proportional to 20,334.02, 30,496.44 and 10,328.66 is: 15,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.02 : 30,496.44 = 10,328.66 : x
  2. Step 2: Convert to fraction form
    20,334.02/30,496.44 = 10,328.66/x
  3. Step 3: Cross multiply
    20,334.02x = 30,496.44 × 10,328.66
  4. Step 4: Simplify right side
    20,334.02x = 314,987,359.97
  5. Step 5: Solve for x
    x = 314,987,359.97/20,334.02
  6. Step 6: Final answer
    x = 15,490.66

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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.