Home / 19,013.43-28,515.89-5,501.64

Finding the Fourth Proportional to 19,013.43, 28,515.89 and 5,501.64

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Solution

The fourth proportional to 19,013.43, 28,515.89 and 5,501.64 is: 8,251.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.43 : 28,515.89 = 5,501.64 : x
  2. Step 2: Convert to fraction form
    19,013.43/28,515.89 = 5,501.64/x
  3. Step 3: Cross multiply
    19,013.43x = 28,515.89 × 5,501.64
  4. Step 4: Simplify right side
    19,013.43x = 156,884,161.06
  5. Step 5: Solve for x
    x = 156,884,161.06/19,013.43
  6. Step 6: Final answer
    x = 8,251.23

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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.