Home / 16,855.78-25,287.63-5,762.56

Finding the Fourth Proportional to 16,855.78, 25,287.63 and 5,762.56

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Solution

The fourth proportional to 16,855.78, 25,287.63 and 5,762.56 is: 8,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.78 : 25,287.63 = 5,762.56 : x
  2. Step 2: Convert to fraction form
    16,855.78/25,287.63 = 5,762.56/x
  3. Step 3: Cross multiply
    16,855.78x = 25,287.63 × 5,762.56
  4. Step 4: Simplify right side
    16,855.78x = 145,721,485.13
  5. Step 5: Solve for x
    x = 145,721,485.13/16,855.78
  6. Step 6: Final answer
    x = 8,645.19

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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.