Home / 19,200.34-28,803.54-6,720.06

Finding the Fourth Proportional to 19,200.34, 28,803.54 and 6,720.06

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Solution

The fourth proportional to 19,200.34, 28,803.54 and 6,720.06 is: 10,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.34 : 28,803.54 = 6,720.06 : x
  2. Step 2: Convert to fraction form
    19,200.34/28,803.54 = 6,720.06/x
  3. Step 3: Cross multiply
    19,200.34x = 28,803.54 × 6,720.06
  4. Step 4: Simplify right side
    19,200.34x = 193,561,517.01
  5. Step 5: Solve for x
    x = 193,561,517.01/19,200.34
  6. Step 6: Final answer
    x = 10,081.15

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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.