Home / 19,081.80-28,614.60-9,224.10

Finding the Fourth Proportional to 19,081.80, 28,614.60 and 9,224.10

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Solution

The fourth proportional to 19,081.80, 28,614.60 and 9,224.10 is: 13,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.80 : 28,614.60 = 9,224.10 : x
  2. Step 2: Convert to fraction form
    19,081.80/28,614.60 = 9,224.10/x
  3. Step 3: Cross multiply
    19,081.80x = 28,614.60 × 9,224.10
  4. Step 4: Simplify right side
    19,081.80x = 263,943,931.86
  5. Step 5: Solve for x
    x = 263,943,931.86/19,081.80
  6. Step 6: Final answer
    x = 13,832.23

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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.