Home / 12,583.28-18,858.77-5,192.93

Finding the Fourth Proportional to 12,583.28, 18,858.77 and 5,192.93

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Solution

The fourth proportional to 12,583.28, 18,858.77 and 5,192.93 is: 7,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.28 : 18,858.77 = 5,192.93 : x
  2. Step 2: Convert to fraction form
    12,583.28/18,858.77 = 5,192.93/x
  3. Step 3: Cross multiply
    12,583.28x = 18,858.77 × 5,192.93
  4. Step 4: Simplify right side
    12,583.28x = 97,932,276.06
  5. Step 5: Solve for x
    x = 97,932,276.06/12,583.28
  6. Step 6: Final answer
    x = 7,782.73

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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.