Home / 19,239.88-28,818.16-9,358.44

Finding the Fourth Proportional to 19,239.88, 28,818.16 and 9,358.44

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Solution

The fourth proportional to 19,239.88, 28,818.16 and 9,358.44 is: 14,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.88 : 28,818.16 = 9,358.44 : x
  2. Step 2: Convert to fraction form
    19,239.88/28,818.16 = 9,358.44/x
  3. Step 3: Cross multiply
    19,239.88x = 28,818.16 × 9,358.44
  4. Step 4: Simplify right side
    19,239.88x = 269,693,021.27
  5. Step 5: Solve for x
    x = 269,693,021.27/19,239.88
  6. Step 6: Final answer
    x = 14,017.40

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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.