Home / 17,815.63-26,720.37-5,332.30

Finding the Fourth Proportional to 17,815.63, 26,720.37 and 5,332.30

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Solution

The fourth proportional to 17,815.63, 26,720.37 and 5,332.30 is: 7,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.63 : 26,720.37 = 5,332.30 : x
  2. Step 2: Convert to fraction form
    17,815.63/26,720.37 = 5,332.30/x
  3. Step 3: Cross multiply
    17,815.63x = 26,720.37 × 5,332.30
  4. Step 4: Simplify right side
    17,815.63x = 142,481,002.29
  5. Step 5: Solve for x
    x = 142,481,002.29/17,815.63
  6. Step 6: Final answer
    x = 7,997.53

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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.