Home / 19,016.01-28,520.37-7,327.71

Finding the Fourth Proportional to 19,016.01, 28,520.37 and 7,327.71

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Solution

The fourth proportional to 19,016.01, 28,520.37 and 7,327.71 is: 10,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.01 : 28,520.37 = 7,327.71 : x
  2. Step 2: Convert to fraction form
    19,016.01/28,520.37 = 7,327.71/x
  3. Step 3: Cross multiply
    19,016.01x = 28,520.37 × 7,327.71
  4. Step 4: Simplify right side
    19,016.01x = 208,989,000.45
  5. Step 5: Solve for x
    x = 208,989,000.45/19,016.01
  6. Step 6: Final answer
    x = 10,990.16

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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.