Home / 19,209.96-28,818.42-9,349.23

Finding the Fourth Proportional to 19,209.96, 28,818.42 and 9,349.23

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Solution

The fourth proportional to 19,209.96, 28,818.42 and 9,349.23 is: 14,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.96 : 28,818.42 = 9,349.23 : x
  2. Step 2: Convert to fraction form
    19,209.96/28,818.42 = 9,349.23/x
  3. Step 3: Cross multiply
    19,209.96x = 28,818.42 × 9,349.23
  4. Step 4: Simplify right side
    19,209.96x = 269,430,036.82
  5. Step 5: Solve for x
    x = 269,430,036.82/19,209.96
  6. Step 6: Final answer
    x = 14,025.54

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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.